Dubautia knudsenii subsp. knudsenii

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 up to 6 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: Occurring in mesic to wet forest and bogs; 550-1;275 m

Elevation Range: 550–1,275 m

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic

Dispersal Agents


Pollinators

Bibliography

Other References

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

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Heller, A.A. 2856 Kauai BISH 1895-09-10
2 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 1017 Kauai BISH 1917-07-03
3 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 1799 Kauai BISH 1909-02-14
4 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5188 Kauai BISH 1912-09-01
5 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Woolford, H.A. 422 Kauai BISH 1956-12-29
6 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 1799 Kauai BISH 1909-02-14
7 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 10308 Kauai BISH 1911-10-01
8 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Cranwell, L.M. 3037 Kauai BISH 1938-08-20
9 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 383 Kauai BISH 1909-09-01
10 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 1812 Kauai BISH 1909-01-01
11 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 1799 Kauai BISH 1909-02-14
12 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Wagner, W.L. 5131 Kauai BISH 1983-12-20
13 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Heller, A.A. 2856 Kauai BISH 1895-09-10
14 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details On wet pali in `ohi`a-Eugenia forest, 80 deg. slope. Preserved_Specimen Perlman, S. 187 Kauai BISH 1978-07-05
15 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 1811 Kauai BISH 1909-01-01
16 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. Kauai BISH 1916-10-01
17 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 4958 Kauai BISH 1909-01-01
18 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5191 Kauai BISH 1912-09-01
19 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Knudsen, V. Kauai BISH
20 Dubautia knudsenii subsp. knudsenii 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. Occasional, NE slope. Preserved_Specimen Small tree 3 m ht, lvs discolorous, inflor. axes green, head dark purple, pendulous. Lorence, D.H. 7328 Kauai BISH 1993-01-29
21 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Along stream. Preserved_Specimen Spreading tree 4 m high. MacDaniels, L.H. 756 Kauai BISH 1927-02-17
22 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Mesic forest. Preserved_Specimen Average tree height 50-60 ft. Stone, B.C. 1603 Kauai BISH 1956-12-29
23 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details In rain forest. Preserved_Specimen Open, loosely branched shrub about 15 ft. high. Degener, O. 4223 Kauai BISH 1926-07-04
24 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details In rain forest. Preserved_Specimen Open, loosely branched shrub about 15 ft. high. Degener, O. 4223 Kauai BISH 1926-07-04
25 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Moist Metrosideros woods. Preserved_Specimen 5 m shrubs; involucre purplish-black, fls purplish. St.John, H. 22904 Kauai BISH 1947-12-21
26 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Along stream. Metrosideros-Dicranopteris-Diplopterygium-Cheirodendron Wet Forest W/ Freycinetia, Bobea elatior, Kadua affinis, Labordia lydgatei, Syzygium, Antidesma, Embelia, Cyrtandra, Phyllostegia electra, Melicope wawraena, Kadua affinis, K. tryblium, Dubautia, Cyanea havenata Preserved_Specimen Upright w/ procumbent branches. Light green leaves w/ lateral veins opaque white in sun. Tangalin, N. 2606 Kauai BISH 2010-04-10
27 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Wet forest Preserved_Specimen Slender tree ca. 15 ft. tall. Foliage pale green, flowers purple, pendant. Occasional throughout Kokee Herbst, D.R. 2029 Kauai BISH 1971-07-28
28 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Wet forest. Preserved_Specimen Shrub 4 m tall; flowers purplish. Involucre dark purple. Fosberg, F.R. 12689 Kauai BISH 1935-12-29
29 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Wet Ohia (Metrosideros) Forest. Metrosideros polymorpha, Syzygium sandwicensis, Cheirodendron platyphyllum subsp. kauaiensis, C. trigynum subsp. helleri, Leptocophylla tameiameiae, Diplopterygium pinnatum, Smilax melastomifolia, Mel Preserved_Specimen Small tree, ~3m tall leaning downhill in the understory of wet Ohia forest. In full flower and fruit. Peduncles green, receptabular bracts deep purple. Leaves darker green above, lighter below, glabrous. Three duplicates made, one flower from each dissected, each at different stage of anthesis: 7, 7 and 13 florets, res Williams, A.M. 778 Kauai BISH 2023-03-20
30 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros, Coprosma, Bobea, Hedychium Preserved_Specimen 15' tree, fallen; leaves semi-glossy green above, whitish-green below; pedicel green at base, dark purple below capitula; base of recepticular bracts green, dark purple at apex; immature achenes purple, corolla slightly darker Flynn, T.W. 3281 Kauai BISH 1989-03-01
31 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details With other native plants. Preserved_Specimen Tall shrub 8 ft. tall. Pearsall, G.A. 42308 Kauai BISH 1959-07-09
32 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Acacia koa- Metrosideros - Dicranopteris linearis mesic- wet forest. With Cheirodendron spp., Scaevola procera, Bobea brevipes, Dodonaea viscosa, Ilex anomala, Coprosma kauaensis, Nestegis sandwicensis, Letecophylla tameiameiae, Psychotria greenwelliae, Santalum f.v. Preserved_Specimen Shrub 3 meter ht. with flowers and fruit Perlman, S. 23047 Kauai BISH 2012-10-11
33 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details In Metrosideros forest with Sadleria, Scaevola, Pelea & Dubautia microcephala. Preserved_Specimen Carlquist, S. 15 Kauai BISH 1953-08-14
34 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros polymorpha montane mesic forest with Psychotria mariniana, Melicope anisata, M. barbigera, Pouteria sandwicensis, Dodonaea viscosa, Dianella sandwicensis, Tetraplasandra kavaiensis, Claoxylon sandwicensis. Preserved_Specimen Tree 4.5 m tall, trunk gray mottled brown-green with orange-brown lichen, well branched, leaves dull green-yellow, inflorescence pendent purple tinged, uncommon. Wood, K.R. 14598 Kauai BISH 2011-04-17
35 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details By stream in `ohi`a-Cheirodendron forest. Preserved_Specimen Many 5-10 ft. shrubs. Perlman, S. 195 Kauai BISH 1978-07-05
36 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Acacia koa- Metrosideros polymorpha - Diranopteris linearis montane mesic with Bobea brevipes, Ilex anomala, Wikstroemia furcata, Claoxylon sandwicensis, Polyscias waimeae, Melicope anisata, M. barbigera, Kadua affinis, Psychotria greenwelliae, Planchonella sandwicensis, Do Preserved_Specimen tree, 5 m tall, trunk gray, 15 cm diameter, emergent around matting ferns of Dicranopteris, occasional Wood, K.R. 15155 Kauai BISH 2012-08-08
37 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. Kauai BISH 1916-10-01
38 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Wet forest. Preserved_Specimen Shrub 2 m tall; inflorescences dry. Fosberg, F.R. 12695 Kauai BISH 1935-12-29
39 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Locally not uncommon in open rain forest. Preserved_Specimen Degener, O. 20513 Kauai BISH 1950-01-31
40 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Rain forest. Preserved_Specimen Degener, O. 23856 Kauai BISH 1955-09-07
41 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Dicranopteris montane mesic to wet forest. W/ Broussaisia arguta, Kauda affinis, Melicope spp, Psychotria mariniana, Coprosma waimeae, rich fern undersotry with Asplenium insiticeum, A. polyodon, Athyrium microphyllum, Diplazium sandwichianum Preserved_Specimen tree, 2 m tall, moderately branched, inflorescence pendent, receptacular bracts purple, seen with D. laevigata, uncommon Wood, K.R. 14372 Kauai BISH 2010-11-17
42 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Small tree ca. 10 ft. tall. Carr, G.D. 946 Kauai BISH 1976-10-23
43 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Sparsely branched erect shrub, ca. 4-8 ft. tall Carr, G.D. 947 Kauai BISH 1976-10-23
44 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Shrub, 6' high, sparsely branched, 1 1/2 dia. Heads drooping, purple; corollas purple. Inflorescences few headed. Stern, W.L. 3147 Kauai BISH 1974-04-06
45 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Shrub, 6' high, sparsely branched, 1 1/2 dia. Heads drooping, purple; corollas purple. Inflorewscences few headed. Stern, W.L. 3147 Kauai BISH 1974-04-06
46 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Shrubs to 12 ft. tall; past fruiting season. Stone, B.C. 3357 Kauai BISH 1960-04-12
47 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Meebold, A. 26339 Kauai BISH 1938-11-01
48 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Sparsely branched shrub ca. 8 ft. tall. Carr, G.D. 915 Kauai BISH 1976-04-16
49 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 383 Kauai BISH 1909-09-01
50 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5191 Kauai BISH 1909-09-01
51 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Carr, G.D. 1047 Kauai BISH 1977-10-17
52 Dubautia knudsenii subsp. knudsenii Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5191 Kauai BISH 1909-09-01