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Schenkia sebaeoides

Griseb. (1853)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Gentianales Family: Gentianaceae Genus: Schenkia

‘āwiwi [awiwi]

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Description

Key Characters:

Growth Form: Erect, glabrous annual herbs 6–20 cm tall.

Stems: Stems solitary or branched below, nearly always branched in the inflorescence.

Roots:

Leaves: Leaves simple. Opposite. Blades obovate or broadly elliptic, 0.7–3.2 cm long, 0.4–1.4(–2.3) cm wide. Apex obtuse. Base somewhat clasping the stem. Blades somewhat fleshy. Margins entire. 3(5)-veined. Sessile and sometimes clasping the stem. Stipules absent.

Flowers: Flowers in elongate, spike-like cymes, bracts elliptic. Flowers bisexual (perfect), actinomorphic. Calyx (4)5-lobed, deeply cleft, the lobes linear, margins often scarious, 7–8 mm long, the lobes unequal. Corolla white to very pale pink, (4)5-lobed,the tube 7.5–10 mm long, the lobes 4–4.5 mm long, narrow, apex usually emarginate; nectary disk or distinct nectary glands present, usually surrounding the ovary. Stamens usually exserted, as many as and alternate with the corolla lobes; anthers dithecal, opening by longitudinal slits or rarely by terminal pores, oblong, spirally twisted after dehiscence. Ovary superior, 2-carpellate, 1-celled, placentation parietal, sometimes deeply intruded; ovules usually numerous, anatropous; style terminal, filiform, simple or 2-lobed, deciduous, wet and papillate.

Fruit: Septicidal capsules; cylindrical; 8–9.5 mm long; 2–valved. Seeds numerous; brown; ca. 0.25 mm long; the surface reticulate; with oily endosperm.

Ploidy: 2n = ca. 44*

Habitat: Scattered and rare on volcanic or clay soil in dry; rocky; coastal sites.

Elevation Range:

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic
O'ahu Endemic
Molokai Endemic
Lana'i Endemic
Maui Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Bonplandia (Hannover) 1: 226 (1853)

Other References

Wagner et al. 1990:725 (K, O, Mo, WM [as Centaurium sebaeoides]); Wagner & Herbst 1995:21 (L); Mansion 2004:725 (Syn. C. sebaeoides = S. sebaeoides); Hank Oppenheimer pers. obs./Hobdy 3292 BISH (L†, 1991)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Recorded By Record Number Island Source Date
1 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Mixed shrub coastal dry cliff; Associated plants...Agave, Drymaria, Pluchea, Kalanchoe, Lantana, Lipochaeta, Bidens, Portulaca, Centaurium sebaeoides, Lysimachia mauritiana. Preserved_Specimen Wood, K.R. 359 Kauai BISH 1990-06-08
2 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Vegetation: Panicum fauriei, Centaurium erythraea. Preserved_Specimen Starr, F. 505164 Molokai BISH 2005-05-16
3 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Coastal bluff. Assoc. vegetation: Scaevola sericea, Fimbristylis cymosa, Lipochaeta integrifolia, Desmodium sp., Chenopodium oahuensis, Cynodon dactylon, Anagallis arvensis. Preserved_Specimen Oppenheimer, H.L. 176 Maui BISH 1997-04-20
4 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Aspect N, remnant coastal shrubland, heavily impacted by ungulates, scattered plants after a very weet winter season. Coastal shrubland: Scaevola tacata, Wollastonia integrifolia, Panicum torridum, Lepidium bidentatum var. owaihiense, Schiedea globosa, Lycium sandwicense, Bidens mauiensis, Chenopodium oahuense, Schinus, Desmodium incanum, Pluchea, Megathyrsus maximus Preserved_Specimen Pezzillo, Z. 409 Maui BISH 2023-04-11
5 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details about 50 plants in <1 m squared on raised limestone/lithified sand dune. In Scaevola Coastal Shrubland. Vegetation: Scaevola, Sida, Euphorbia, Fimbristylis, Capparis, Jacquemontia, Lycium, Heliotropius, Boerhavia. Preserved_Specimen Oppenheimer, H.L. 51301 Kauai BISH 2013-05-03
6 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Growing with Bidens molokaiensis, Digitaria & Chenopodium on windswept sea cliffs. Preserved_Specimen Nagata, K.M. 1855 Molokai BISH 1979-05-27
7 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Arid coastal dune Preserved_Specimen Degener, O. 2056 Oahu BISH 1923-05-31
8 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Growing on a rocky ledge, 25 plants observed, all dried up. Preserved_Specimen Oppenheimer, H.L. 59923 Maui BISH 1999-05-31
9 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details On a steep coastal cliff. Assoc. vegetation: Casuarina equisetifolia, Cocculus trilobus, Atriplex semibaccata, Portulaca oleracea, Lycium sandwicense, Sesuvium portulacastrum. Preserved_Specimen Oppenheimer, H.L. 173 Maui BISH 1997-05-16
10 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Alexander, A.M. 5338 Kauai BISH 1948-04-30
11 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details In barren rocky clay soil. Preserved_Specimen Degener, O. 9653 Molokai BISH 1928-04-28
12 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Herbst, D.R. 5841 Oahu BISH 1976-04-25
13 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Herbst, D.R. 5841 Oahu BISH 1976-04-25
14 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 2328 Oahu BISH 1916-03-14
15 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 310 Maui BISH 1913-02-01
16 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 82 Maui BISH 1910-05-01
17 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 14058 Molokai BISH 1918-05-24
18 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Seemann, B.C. 2272 Oahu BISH
19 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Lydgate, J.M. Kauai BISH
20 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Hobdy, R.W. 3292 Lanai BISH 1991-05-11
21 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 2328 Oahu BISH 1916-03-14
22 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Mann, H. 64 Oahu BISH 1864-01-01
23 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Manabo, R. Molokai BISH 1982-05-17
24 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Lydgate, J.M. Maui BISH
25 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. Molokai BISH
26 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Coastal, clay ledges. Preserved_Specimen Degener, O. 25048 Maui BISH 1959-03-30
27 Schenkia sebaeoides Locality redacted. Contact Bishop Museum Botany Department for details Vegetation: Scaevola Coastal Shrubland, with Sesuvium, Lycium, Fimbristylis cymosa, Heliotropium curassavicum, Casuarina equisetifolia, Cynodon dactylon, Portulaca pilosa, Emilia fosbergii, Conyza bonariensis, Sphagneticola trilobata. Preserved_Specimen Oppenheimer, H.L. 50401 Maui BISH 2004-05-06
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