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Dubautia knudsenii subsp. nagatae

(H.St.John) G.D.Carr (1985)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Asterales Family: Asteraceae Genus: Dubautia

kūpaoa, na‘ena‘e

Description

Key Characters:

Growth Form: Shrubs or small trees.

Stems:

Roots:

Leaves: Leaves simple. Opposite. Blades elliptic or oblanceolate Apex acuminate. Base attenuate or petioloid. Margins ciliate, denticulate, or serrate/dentate.

Flowers:

Fruit: Fruit a simple; dry; achene (cypsela);

Ploidy:

Habitat:

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Allertonia 4(1): 83 (1985)

Other References

Wagner et al. 1990:299 (K); Carr 1999:148, 149 (KEY)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron-Dicranopteris wet forest and deeply carved drainage with riparian vegetation Kadua affinis, Psychotria mariniana, P. hexandra, Coprosma kauaiensis, Syzgium sandwicensis, Perrottetia sandwicensis, Dubautia raillardioides, D. laxa, Melicope wawrana, M. clusiifolia, Myrsine wawr Preserved_Specimen Tree, 4 m tall, well branched, along stream banks, common in region Wood, K.R. 15278 Kauai BISH 2012-11-08
2 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Rare, in open, stunted Metrosideros-Cheirodendron forest. Preserved_Specimen Small tree 2-3 m high. Young stem & base of petiole purple. Nagata, K.M. 2873 Kauai BISH 1984-03-18
3 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Wet 'ohi'a forest w\ other native trees and a treefern and native shrub understory. Preserved_Specimen Shrub, 2 cm BD; 1.5 m tall. Higashino, P.K. 9656 Kauai BISH 1981-05-13
4 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Moss forest of Metrosideros and Cheirodendron. Preserved_Specimen Open shrub 5 ft. high; Infl. lax. Bracts dark red; florets 4, dark red. Nagata, K.M. 1182 Kauai BISH 1973-09-02
5 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Dubautia-Sadleria shrubland/fernland, high wind summit slopes with Psychotria mariniana, Kadua affinis, Melicope clusiifolia, M. waialealae, Vaccinium calycinum, Coprosma kauaense, Dubautia laxa, D. paleata, D. imbricata acronaea, Broussaisia arguta, Bidens forbes Preserved_Specimen Tree, 2 meters tall, stems gray, with old inflorescence, occasional. Wood, K.R. 15461 Kauai BISH 2013-04-03
6 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron forest 5-8 m tall, steep slopes of Dicranopteris, Diplopterygium, & Sticherus, dissected by riparian vegetation. W/ Broussaisia, Myrsine spp, Leptecophylla, Smilax, Syzygium, Stenogyne, Astelia, Vaccinium spp, Melicope clusiifolia, M. kavaiensis, Cibotium spp, Sadleria spp, Athyrium microphyllum, Lobelia villos Preserved_Specimen tree, 2.5 m tall, stems gray-brown, leaves green, in early flower, with D. laxa, D. rallardioides Wood, K.R. 14324 Kauai BISH 2010-09-28
7 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Dicranopteris lowland windward Forest with Bobea, Cyanea fissa, Psychotria, Cyrtandra, Ilex, Wikstroemia oahuensis, Tetraplasandra, Diplopterygium pinnatum, Clidemia, Rhodomyrtus tomentosa, Grevillea robusta, Freycinetia arborea, Broussisi. Preserved_Specimen Two meters tall shrub, branched above the half point, flowers on lateral branches, pendent, carrot smell to crushed leaves. Penduncles with purple, 4 florets to 4 bracts, leaf venation reticulated. Tangalin, N. 2478 Kauai BISH 2011-01-06
8 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Dwarf wet cloud forest. Metrosideros polymorpha var. glaberrima, Metrosideros polymoprha var. dieteri, Cheirodendron dominii, Cheirodendron platyphylla, Ilex anomala, Hydrangea arguta, Diplazium sandwichianum, Eurya sandwicens... Preserved_Specimen 2 m tall shrub with dark purplish descending inflorescences. Branch cut while clearing fenceline S. Deans 10032301 Kauai BISH 2023-10-03
9 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Wet woods. Preserved_Specimen 2 m shrub; involucre magenta-black, fls magenta. St.John, H. 22936 Kauai BISH 1947-12-22
10 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros, Cheirodendron, Eurya, Cyrtandra, Coprosma, Melicope, Hedyotis, Plantago, Peperomia, Pipturus, Psychotria, Bidens, Cyanea, Anoectochilus, pteridophytes Preserved_Specimen 2 m shrub; leaves dark green, paler below, glabrous; inflorescence and bracts glabrous; 4 disk florests, purple Wood, K.R. 174 Kauai BISH 1988-09-09
11 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details On steep trail. Preserved_Specimen Shrub 5 ft.; lvs dark green above, lighter below. Peduncle, pedicels, involucrum dark blackish-purple. Florets dark yellow. Inflorescence more or less pendulous. van Royen, P. 11747 Kauai BISH 1977-09-04
12 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Rain forest shrub. Preserved_Specimen Takeuchi, W.N. 3692 Kauai BISH 1987-10-24
13 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Corn, C. Kauai BISH 1990-10-26
14 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details On steep trail. Preserved_Specimen Shrub 5 ft.; lvs dark green above, lighter below. Peduncle, pedicels, involucrum dark blackish-purple. Florets dark yellow. Inflorescence more or less pendulous. van Royen, P. 11747 Kauai BISH 1977-09-04
15 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 5031 Kauai BISH 1983-08-30
16 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Davis, J. 156 Kauai BISH 1979-09-04
17 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Moss forest of Metrosideros and Cheirodendron. Preserved_Specimen Open shrub 5 ft. high. infl. lax. Bracts dark red; florets 4, dark red. Nagata, K.M. 1182 Kauai BISH 1973-09-02
18 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros Preserved_Specimen 8' shrub; leaves dark, glossy green above, dull, gray-green below; new leaves yellow-green; inflorescence branches pale green; bracts dark purple; corolla purple with greenish-tipped lobes Flynn, T.W. 3200 Kauai BISH 1988-10-27
19 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details With Carex & Paspalum Preserved_Specimen Single low shrub 2' high. Takeuchi, W.N. 138 Kauai BISH 1983-07-30
20 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Dicranopteris-Diplopterygium w/ Syzygium sandwicensis, Kadua affinis, Psychotria wawrae, Machaerina mariscoides, Dracaena aurea, Scaevola gaudichaudiana, S. mollis, Dubautia pauchiflorula, D. knudsenii nagatae, Antidesma platyphyl... Preserved_Specimen Shrub, 1.5 m tall, near Dubautia pauchiforula, w/ flower, all parts purple, occasional K.R. Wood 19643 Kauai BISH 2024-10-09
21 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details With Carex & Paspalum Preserved_Specimen Single low shrub 2' high. Takeuchi, W.N. 170 Kauai BISH 1983-08-16
22 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details windswept; Metrosideros, Cheirodendron, Sticherus, Diplopterygium, Dicranopteris, Psychotria mariniana, P. hexandra, Dubautia laxa, D. knudsenii, Bidens campylotheca, Freycinetia arborea, Sadleria pallida, Hedyotis tryblium Preserved_Specimen 2 m shrub; stems gray brown; leaves medium green; petiole white green to yellow green, involucral bracts purple Wood, K.R. 12183 Kauai BISH 2006-10-18
23 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Dubautia-Sadleria shrubland-fernland w/ Dubautia imbricata subsp. acronaea, D. knudsenii subsp. filiformis, D. laxa subsp. hirsuta, D. paleata, D. raillardioides, D. pauciflorula, Sadleria cyatheoides, S. pallida, S. souleyetiana, S. squ Preserved_Specimen Tree, 3 m tall, full branched, in early flower, receptacular bracts, purple-black, occasional around summit area. Wood, K.R. 16083 Kauai BISH 2014-09-18
24 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron-Dicranopteris wet forest with Kadua affinis, Psychotria mariniana, P. mauiensis, Melicope clusiifola, M. anisata, M. degeneri, Ilex anomala, Syzygium sandwicensis, Elaeocarpus bifidus, Dodonaea viscosa, Santalum involutum, Kad Preserved_Specimen Tree, 2.5 meters tall, well-branched, in flower and early fruit, occasional. Wood, K.R. 18433 Kauai BISH 2020-06-02
25 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Native wet forrest. In ndarrow stream drainage with Clermontia fauriei, Dubautia sp, Athyrium, Broussaisia, Sadleria cyatheoides, Melicope spp, with Metrosideros-Cheirodendron. Preserved_Specimen Sprawling shrub, 2 m long. Fls a deep red pappus. Leaf undersides finely pubescent. Common in weet forest. Trauernicht, C. 568 Kauai BISH 2008-09-23
26 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details windswept shrubland and patches of lowland wet forest with Metrosideros, Dicranopteris, Ilex anomala, Psychotria wawrae, P. mariniana, Vaccinium calycinum, Syzygium sandwicensis, Pneumatopteris, Machaerina angustifolia, Cheirodendron spp, Kadua affinis, Br Preserved_Specimen tree 2.5 m tall, moderately branched, leaves with purple tinge on margins and leaf base, with old inflorescence, occasional Wood, K.R. 14531 Kauai BISH 2011-02-24
27 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Merosideros-Cheirodendron-Dicranopteris montane wet forest and riparian vegetation w/Kadua affins, Psychotria mariniana, Coprosma kauaiensis, Syzygium sandwicensis, Perrottebia sandwincensis, Myrsine wawraea, Scaevola procera, Broussaisia arguta, Labordia, waialealae, Peperomia mem Preserved_Specimen Tree, 3 m tall, modrately branched, in early flower, receptacular bracts purple Wood, K.R. 16160 Kauai BISH 2014-12-10
28 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Rich, low wet forest with Metrosideros & Cheirodendron. Preserved_Specimen Shrub 1 m tall, bracts & florets purple. Fairly common locally in clearings along trail. Lorence, D.H. 5599 Kauai BISH 1987-10-14
29 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros, Cheirodendron, Eurya, Cyrtandra, Coprosma, Melicope, Hedyotis, Plantago, Peperomia, Pipturus, Psychotria, Bidens, Cyanea, Anoectochilus, pteridophytes Preserved_Specimen 1.8 m shrub; leaves smooth, green with yellow veination above, below hairy, light green with green venation; inflorescence hairy, yellow; florets purple Wood, K.R. 187 Kauai BISH 1988-09-10
30 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Cheirodendron-Dicranopteris montane wet forest and riparian vegetation w/Kadua affinis, Psychotria mariniana, Coprosma kauaiensis, Syzgium sandwicensis, Perrottetia sandwicensis, Myrsine wawraea, Scaevola procera, Broussaisia arguta, Labordia waialealae, Peperomia mem Preserved_Specimen Tree, 2.5 m tall, moderatela branched, in early flower, receptacular bracts purple Wood, K.R. 16161 Kauai BISH 2014-12-10
31 Dubautia knudsenii subsp. nagatae Locality redacted. Contact Bishop Museum Botany Department for details wet; Metrosideros, Cyanea sylvestris, Dicranopteris, Trematolobelia, Vaccinium, Cheirodendron, Cyrtandra kauaiensis, Perrottetia, Mariscus, sedges, grasses, bryophytes, epiphytes, Rubus argutus, Hedychium gardnerianum, Erigeron karvinskianus, Pneumatopteris, Christella, Diplazium, Athyrium Preserved_Specimen 2 m tree; flower, fruit Wood, K.R. 1282 Kauai BISH 1991-10-14
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