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Dubautia knudsenii subsp. filiformis

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: Upright (erect) shrub, 1–3.5 m tall.

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): 84 (1985)

Other References

Wagner et al. 1990:298 (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. filiformis Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Montgomery, S.L. Kauai BISH 1981-02-12
2 Dubautia knudsenii subsp. filiformis Locality redacted. Contact Bishop Museum Botany Department for details Rain forest Preserved_Specimen Shrub 3 1/2 m. high MacDaniels, L.H. 672 Kauai BISH 1927-02-13
3 Dubautia knudsenii subsp. filiformis Locality redacted. Contact Bishop Museum Botany Department for details Along steambed. Lowland wet shrubland and low, open wet forest of Metrosideros polymorpha, Antidesma, & Syzygium w/ open areas of Dicranopteris & Diplopterygium. Preserved_Specimen Fallen tree of 8 ft ht, lvs dull medium to paler green above whitish-green below, inflorescence pendant, drk maroon to drk purple. Flynn, T.W. 5259 Kauai BISH 1993-02-09
4 Dubautia knudsenii subsp. filiformis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros wet forest with wet cliff communities W/ Cheirodendron Pipturus spp., Dubautia, Cyrtandra, Kadu centranthoides, K. elatior, K. foggiana, Psychotria, Melicope, Machaerina, Ischne, with ferns of Microlepia, Asplenium, Christella, Deparia Preserved_Specimen shrub, 1.5 m tall, receptacular bracts purple, ca. 10 plants in area, associated with D. plantaginea magnifolia Wood, K.R. 12781 Kauai BISH 2008-01-12
5 Dubautia knudsenii subsp. filiformis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros lowland wet forest and shrubland surrounded by ca. 1000 meter cliffs with Psychotria mariniana, P. hexandra, P. mauiensis, Antidesma platyphyllum var. hillebrandii, Pipturus albidus, P. ruber, P. kauaiensis, Urera glabra, kadua centranthoides, Touchardia latifolia, Diane Preserved_Specimen Tree, 2 meters tall, diffuse, in flower, arching pendant inflorescence and bracts dark purple, common Wood, K.R. 18847 Kauai BISH 2021-11-12
6 Dubautia knudsenii subsp. filiformis Locality redacted. Contact Bishop Museum Botany Department for details Riparian vegetation within hanging valley with patches of Metrosideros lowland wet forest w/ Antidesma platyphylla, Perrottetia sandwicensis, Dubautia knudsenii, Psychotria hexandra, Kadua tryblium, Bobea elatior, Ployscias oahuensis, Coprosma kauensis, Cyanea recta, C. fissa, Platydesma. Preserved_Specimen Tree, 3 m tall, florets yellow, inflorescence purple, pendent, common Wood, K.R. 16699 Kauai BISH 2016-01-07
7 Dubautia knudsenii subsp. filiformis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros dominated wet forest with Dicranopteris, Diplazium, Cyanea, and Antidesma with Rubus, Psidium, Pluchea. Preserved_Specimen Tree of 10 ft.; leaves dark green above, grey-green below with whitish-green midvein and dark green 2 deg. veins; inflorescence branches maroon; receptacular bracts dark maroon. Flynn, T.W. 4795 Kauai BISH 1991-09-04
8 Dubautia knudsenii subsp. filiformis Locality redacted. Contact Bishop Museum Botany Department for details Metrosiders-Cheirodendron mixed wet forest with matting ferns of Diplopterygium and Dicranopteris, windswept ridges and forest patches interspersed with bogs w/ Psychotria mariniana, Antidesma platyphylla, Kadua affinis, Melicope clusiifolia, Vaccinium calycinum, Coprosma kauaense, Dubautia laxa, D. Paleata, D. imbracata acronaea, Preserved_Specimen Epiphytic rhizome short creeping on Psychotria Mariniana Wood, K.R. 14828 Kauai BISH 2012-01-10
9 Dubautia knudsenii subsp. filiformis Locality redacted. Contact Bishop Museum Botany Department for details wet; Metrosideros, Antidesma, Cibotium, Hedyotis tryblium, Pipturus, Cyrtandra, Isodendrion longifolium, pteridophytes Preserved_Specimen 3 m shrub, in flower Wood, K.R. 1112 Kauai BISH 1991-08-06
10 Dubautia knudsenii subsp. filiformis Locality redacted. Contact Bishop Museum Botany Department for details Riparian vegetation within hanging valley with patches of Metrosideros lowland wet forest w/ Antidesma platyphylla, Perrottetia sandwicensis, Dubautia knudsenii, Psychotria hexandra, Kadua tryblium, Bobea elatior, Ployscias oahuensis, Coprosma kauensis, Cyanea recta, C. fissa, Platydesma. Preserved_Specimen Tree, 3 m tall, florets yellow, inflorescence purple, pendent, common Wood, K.R. 16698 Kauai BISH 2016-01-07
11 Dubautia knudsenii subsp. filiformis Locality redacted. Contact Bishop Museum Botany Department for details Lowland wet forest with Metrosideros polymorpha dominant, also Antidesma, Syzygium, Broussaisia, Boehmeria, & Perrottetia, with understory of pteridophytes, Cyrtandra, & Cyanea. Slpes moderate to steep. Preserved_Specimen Tree 4 m ht (reaches 6 m ht), inflor. pendulous, drk purple, abundant understory tree. Lorence, D.H. 7350 Kauai BISH 1993-01-29
12 Dubautia knudsenii subsp. filiformis Locality redacted. Contact Bishop Museum Botany Department for details wet lowland forest; Metrosideros, Antidesma, Dicranopteris, Melicope clusiifolia, M. wawraeana, Psychotria mariniana, P. wawrae, Hedyotis terminalis, Broussaisia arguta Preserved_Specimen 3-4 m tree; trunk brown, green moss; leaves medium green, inflorescence pendent, purple peduncle and bracts; flower, fruit Wood, K.R. 10981 Kauai BISH 2004-11-09
13 Dubautia knudsenii subsp. filiformis Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros, Antidesma, Cibotium, Dicranopteris, Diplazium sandwichianum, Athyrium macraei Preserved_Specimen Flynn, T.W. 2166 Kauai BISH 1987-04-24
14 Dubautia knudsenii subsp. filiformis Locality redacted. Contact Bishop Museum Botany Department for details Pisonia/Cheirodendron low wet forest. Assoc. plants: Tetraplasandra, Syzygium, Psychotria, Cyanea, Freycinetia, Broussaisia, Cibotium, Antidesma, Dubautia, Alyxia, Boehmeria, Urera, numerous pteridophytes in the shrub layer. Weeds: Clidemia, Musa, Nephrolepis, Lantana. Preserved_Specimen 2 m tall shrub; in flower & fruit. Corollas yellow-red. Wood, K.R. 1492 Kauai BISH 1991-12-11
15 Dubautia knudsenii subsp. filiformis 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, Labordia spp, Coprosma waimeae, Cheirodendron spp, Tetraplasandra Preserved_Specimen Tree, 5 m tall, moderately branched, stems gray-brown, lvs medium green above, light green below, peduncle and inflorescence light green (although normally purple), inflorescence reflexed, arching, but not pendent. Wood, K.R. 13268 Kauai BISH 2008-09-11
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