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Melicope degeneri

(B.C.Stone) T.G.Hartley & B.C.Stone (1989)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Rosids Order: Sapindales Family: Rutaceae Genus: Melicope

alani, alani kuahiwi

Description

Key Characters:

Growth Form: Medium-sized trees typically 4–11 m tall.

Stems: Bark reddish brown, new growth densely yellowish-brown tomentose, young branches tomentose, becoming glabrate with age

Roots:

Leaves: Leaves simple. Opposite. Blades elliptic-obovate, 6–20.5 cm long, 2–8.5 cm wide Apex rounded and slightly emarginate. Base broadly cuneate to rounded. Upper surfaces glabrate; lower surfaces villous, especially along midrib; blades coriaceous. Margins entire. Primary lateral veins usually 12–15 pairs, inconspicuous, venation pinnate, lateral veins connected by an arched submarginal vein, higher order venation forming a reticulate pattern. Petioles 15–30 mm long, densely short-villous. Stipules absent.

Flowers: Flowers ca. 3 in axillary cymes up to 5.5 cm long, peduncles up to 2 cm long. Pedicels ca. 3 mm long. bracteoles deltate ca. 1mm long; Staminate flowers unknown; Pistillate flowers with a glabrous nectary disk. Calyx of 4 sepals, imbricate. Sepals deltate, 3 mm long, appressed puberulent. Corolla of 4 petals. Petals yellow-green, deltate, 4.5–5 mm long, minutely appressed puberulent, Stamens 8; rudimentary in pistillate flowers. Ovary superior, 4-celled and 4-lobed, carpels connate, only slightly distinct at apex to almost entirely distinct; ovules 2 per cell, hemitropous, 1 ascending; style 1, terminating in 4 short stigmatic branches. Ovary glabrous, ca. 2.0–2.2 mm wide, style slender, ca. 2 mm long, glabrous

Fruit: Capsules cuboid; ca. 7-9 mm long 7-12 mm wide; carpels completely connate; exocarp and endocarp glabrous. Seeds ca. 4.5 mm long. seeds 1–2 per cell; glossy black when ripe; crustaceous; ovoid; sometimes angled from compression; embryo straight in fleshy endosperm; radicle short; cotyledons compressed; ovate; putamen brown; warty.

Ploidy:

Habitat: Wet forests.

Elevation Range: ca. 1,220 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Taxon 38: 122 (1989)

Other References

Wagner et al. 1990:1186 (K [as Pelea degeneri]); Hartley & Stone 1989:122 (COMBNOV, Syn. P. degeneri = M. degeneri)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Degener, O. 8531 Kauai BISH 1926-06-30
2 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron-Dicranopteris wet forest and deeply carved drainage with riparian vegetation w/ Kadua affinis, Psychotria mariniana, P. hexandra, Coprosma kauaiensis, Syzygium sandwicensis, Perrottetia sandwicensis, Dubautia raillardioides, D. laxa, Meliope wawrana, M. clusiifolia, Myrsine w Preserved_Specimen Wood, K.R. 15984 Kauai BISH 2014-07-02
3 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Diranopteris linearis wet forest W/Broussaisia arguta, Cibotium spp., Sadleria cyathiodes, Cyanea fissa, Ilex anomala, Cyanea hirtella, Cheirodendron trigynum, Kubautia knudsenii, Pipturus albidus Preserved_Specimen Perlman, S. 23969 Kauai BISH 2014-06-04
4 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen A.M. Williams 865 Kauai BISH 2024-04-30
5 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros 40 - 60% closed w/ 12-15 m tall canopy, understory of Perrottetia, Psychotria spp, Dubautia spp, Labordia spp, Tetraplasandra kavaiensis, T. oahuensis, rich fern and bryophyte understory. Preserved_Specimen Wood, K.R. 13102 Kauai BISH 2008-06-16
6 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron-Dicranopteris montane wet forest with Diplopterygium pinnatum, Dryopteris unidentata var. paleacea, Scaevola procera, Pritchardia perlmanii, Kadua affinis, Psychotria mariniana, P. hexandra, Syzygium sandwicensis, Melicope wawrana, Bro Preserved_Specimen Wood, K.R. 17159 Kauai BISH 2016-10-25
7 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details with Metrosideros, Dicranopteris linearis, Cheirodendron, Perrottetia, Diplazium sandwichianum, Pipturus ruber, Dubautia knudsenii, Broussaisia, Labordia, Delissea rivularis, Psychotria, Cyanea fissa, Trematolobelia, Cibotium; steep slope above stream Preserved_Specimen Perlman, S. 15123 Kauai BISH 1995-11-11
8 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron-Dicranopteris wet forest and deeply carved drainage with riparian vegetation w/ Kadua affinis, K. foggiana, Psychotria mariniana, P. hexandra, Coprosma kauaiensis, Syzygium sandwicensis, Perrottetia sandwicensis, Dubautia raillardioides, D. laxa, Melicope wawrana, M. clusiifol Preserved_Specimen Wood, K.R. 18868 Kauai BISH 2022-01-14
9 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros transitional mesic to wet forest and riparian vegetation Cheirodendron, Perrottetia sandwicensis, Kadua affinis, Ilex anomala, Syzygium sandwicensis, Dodonaea viscosa, Coprosma waimeae, Crytandra kauaiensis, Melicope clusiifolia, Labordia degeneri, Cyanea f Preserved_Specimen Wood, K.R. 15719 Kauai BISH 2013-11-12
10 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details new ppopulatio of Melicope degeneri Wet/Mesic forest in gulch. Merosideros, Elaeocarpus, Ilex anomola, Melicope clussifolia, Cyanea leptostegia, Diplazium sandwichianum, Cheirodendron trigynum, Broussaisia, Nothocestrum sp., Phylostegia electra, Psychotria hexan. Preserved_Specimen Edmonds, M. 373 Kauai BISH 2015-09-04
11 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron-Dircranopteris wet forest. With Kadua affinis, Psychotria mariniana, Melicope clusiifolia, Ilex anomala, Syzygium sandwicensis, Elaeocarpus bifidus, Dodonaea viscosa, Santalium involutum Preserved_Specimen Wood, K.R. 15821 Kauai BISH 2014-02-11
12 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros, Cheirodendron, Psychotria hexandra, Broussaisia, Hedyotis terminalis, Machaerina angustifolia, Bidens, Pouteria, Pittosporum, Cibotium, Pipturus, Sadleria, Scaevola procera, Coprosma kauaiensis, Bobea brevipes, Pleomele aurea, Dicranopteris linearis, Melicope anisata, Ilex, Xylosma hawaiiense, Elaeocarpus, Perrottetia, Rubus argutus Preserved_Specimen Perlman, S. 19288 Kauai BISH 2004-08-18
13 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron-Dicranopteris wet forest and deeply carved drainage with riparian vegetation. w/Kadua affinis, Psychotria mariniana, P. hexandra, Coprosma kauaiensis, Syzygium sandwicensis, Perrottetia sandwicensis, Dubautia raillardioides, D. laxa, Melicope wawrana, M clusiifolia, Myrsine w Preserved_Specimen Wood, K.R. 15903 Kauai BISH 2014-03-27
14 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron montane wet forest and riparian habitat with Ilex anomala, Kadua affinis, Psychotria mariniana, P. hexandra, Coprosma kauaiensis, Elaeocarpus bifidus, Syzygium sandwicensis, Perrottetia sandwicensis, Dubauba raillardioides, D. laxa, Melicope Preserved_Specimen Wood, K.R. 17112 Kauai BISH 2016-08-17
15 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron-Dicranopteris wet forest, w/ Kadua affinis, Psychotria mariniana, Melicope clusiifolia, Ilex anomala, Syzygium sandwicensis, Elaeocarpus bifidus, Dodonaea viscosa, Santalum involutum Preserved_Specimen Wood, K.R. 15822 Kauai BISH 2014-02-11
16 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details In rainforest Preserved_Specimen Degener, O. 8531 Kauai BISH 1926-06-30
17 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Koaie, headwater gulches and streams, well above Koaie river, northwest of Mohihi- Waialae trail Metrosideros transitional mesic to wet forest and reparian vegetation Cheirodendron, Perrottetia sandwicensis, Kadua affinis, Ilex anomala, Syzygium sandwicensis, Dodonaea viscosa, Coprosma waimeae, Cytandra kauaiensis, Melicope clusiifolia, Labordia degeneri, Cyanea f Preserved_Specimen Wood, K.R. 15403 Kauai BISH 2013-02-07
18 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Dicranopteris montane mesic forest & riparian plant communities w/ Sticherus, Diplazium, Melicope puberula, M. peduncularis, M. clusiifolia, Cheirodendron, Perrottetia. Preserved_Specimen Wood, K.R. 3966 Kauai BISH 1995-01-25
19 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros mixed montane wet forest, 7 m canopy, 90% closed native cover w/ Polyscias waialealae, Syzygium sandwicensis, Cheirodendron spp, Dodonaea viscosa, Santalum pyrularium, Psychotria mariniana, Perrottetia sandwicensis, Labordia degeneri, Melicope clusiifolia, M.a Preserved_Specimen Wood, K.R. 16318 Kauai BISH 2015-02-17
20 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Closed Metrosideros forest, 8-12 m canopy. Understory dominated by Antidesma w/ mixed wet associates, Syzygium, Broussaisia, Perrottetia, Cyrtandra spp, Psychotria spp, Dubautia spp., Corprosma waimeae, Cheirodendron spp. Preserved_Specimen Wood, K.R. 13255 Kauai BISH 2008-09-10
21 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron montane wet fores and riparian habitat with Ilex anomala, Kadua affinis, Psychotria mariniana, Psychotria hexandra, Coprosma kauaiensis, Elaeocarpus bifidus, Syzygium sandwicensis, Perrottetia sandwicensis, Dubautia raillardioides, Dubautia laxa, Dubautia knuds. Preserved_Specimen Wood, K.R. 17122 Kauai BISH 2016-09-28
22 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros mixed montane wet forest, with some steep slopes dominated by matting ferns of Dicranopteris, Diplopterygium, or Sticherus with Polyscias waialealae, Syzygium sandwicensis, Cheirodendron spp., Dodonaea viscosa, Santalum pyrularium, Psychotria mariniana, Perrottetia sandwicensis, Labordia degeneri, Melicope clusiifolia, M. an Preserved_Specimen Wood, K.R. 18224 Kauai BISH 2019-06-19
23 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details along river bank. Metrosideros mixed montane wet forest with some steep slopes dominated by matting ferns of Dicranopteris, Diplopterygium, or Sticherus w/ Polyscias waialealae Syzygium sandwicensis, Cheirodendron spp, Dodonaea viscosa,, Santalum pyrularium, Psychotria mariniana Perottetia sandwicensis Labordia degeneri Melicope clusiifolia, M.a Preserved_Specimen Wood, K.R. 16807 Kauai BISH 2016-04-21
24 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron mixed wet forest with matting ferns of Diplopterygium, Sticherus, and Dicranopteris w/ Perrottetia sandwicensis, Touchardia latifolia, Psychotria mariniana, P. hexandra, Antidesma platyphylla, Kadua affinis, K. tryblium, Bobea elatior Preserved_Specimen K.R. Wood 19700 Kauai BISH 2025-01-16
25 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros mixed montane wet forest, 7 m canopy, 90% closed native cover w/ Polyscias waialealae, Syzygium sandwicensis, Cheirodendron spp, Dodonaea viscosa, Santalum pyrularium, Psychotria mariniana, Perrottetia sandwicensis, Labordia degeneri, Melicope clusiifolia, M.a Preserved_Specimen Wood, K.R. 16317 Kauai BISH 2015-02-17
26 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros, Cheirodendron, Psychotria hexandra, Broussaisia, Hedyotis terminalis, Machaerina angustifolia, Bidens, Pouteria, Pittosporum, Cibotium, Pipturus, Sadleria, Scaevola procera, Coprosma kauaiensis, Bobea brevipes, Pleomele aurea, Dicranopteris linearis, Melicope anisata, Ilex, Xylosma hawaiiense, Elaeocarpus, Perrottetia, Rubus argutus Preserved_Specimen Perlman, S. 19287 Kauai BISH 2004-08-18
27 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details Koaie, headwater gulches and streams, well above Koaie river, northwest of Mohihi- Waialae trail Metrosideros transitional mesic to wet forest and reparian vegetation Cheirodendron, Perrottetia sandwicensis, Kadua affinis, Ilex anomala, Syzygium sandwicensis, Dodonaea viscosa, Coprosma waimeae, Cytandra kauaiensis, Melicope clusiifolia, Labordia degeneri, Cyanea f Preserved_Specimen Wood, K.R. 15404 Kauai BISH 2013-02-07
28 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details ca. 30 trees seen occasionally along stream banks. Metrosideros-Cheirodendron-Dicranopteris wet forest and deeply carved drainage with riparian vegetation with Kadua affinis, K. foggiana, Psychotria marinana, P. hexandra, Coprosma kauaiensis, Syzygium sandwicensis, Perrottetia sandwicense, Dubautia raillardioides, D. laxa, Melicope wawrana, M. clusiifol Preserved_Specimen Wood, K.R. 18867 Kauai BISH 2022-01-14
29 Melicope degeneri Locality redacted. Contact Bishop Museum Botany Department for details metrosideros mixed montane wet forest w/ Polyscias waialealea, syzygium sandwicensis, cheirodendron spp., dodoneaea viscosa,, santalum pyrularium, psychotria mariniana, perrottetia sandwicensis, melicope clusofolia, M. anisata, shrubs and f Preserved_Specimen Wood, K.R. 16839 Kauai BISH 2016-05-19
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