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Lobelia yuccoides

Hillebr. (1888)

This name is accepted

Kingdom: Viridiplantae Phylum: Magnoliophyta Class/Clade: Eudicot-Asterids Order: Asterales Family: Campanulaceae Genus: Lobelia

pānaunau [panaunau]

Description

Key Characters:

Growth Form: Shrub.

Stems: Stems woody, erect, 15–20 dm long, with a dense apical rosette of leaves.

Roots:

Leaves: Leaves simple. Alternate. Blades linear, 24–35 cm long, 0.5–1.5 cm wide. Apex acute to acuminate. Upper surfaces glabrous; lower surfaces white tomentose. Margins entire or minutely callose–denticulate, revolute. Sessile or subsessile. Stipules absent.

Flowers: Flowers in inflorescences unbranched, 60-100 cm long, pedicels 8-12 mm long, pubescent, bracts subulate, 20-30 mm long; hypanthium obconical, 4–6 mm long, pubescent. Flowers bisexual (perfect). Calyx 5-lobed, lobes subulate, 3–6 mm long, sepals connate, tube adnate to ovary. Corolla zygomorphic, dorsally cleft almost to base, blue to lilac, 36-40 mm long, 3-5 mm wide, pubescent, the lobes spirally revolute, tube suberect. Stamens 5, alternate with corolla lobes; anthers pubescent at base, the lower 2 with apical tufts of white hairs, dithecal, opening by longitudinal slits, coherent but separating after anthesis or connate and forming a tube into which pollen is shed; filaments distinct or connate above, attached to the epigynous nectary disk or to base of corolla, rarely adnate to corolla tube. Ovary inferior, 2-celled, often crowned with an annular nectary disk; ovule placentation axile, or when 1-celled with 2 parietal placentas; stigmas wet or dry, 2-lobed, appressed and nonreceptive as the style grows through the anther tube, pushing out the pollen, after which the stigmas spread apart and become receptive.

Fruit: Loculicidal capsules; obovoid to cylindrical; 10–12 mm long; pubescent; dehiscent at apex by 2 valves. Seeds numerous; smooth; brownish; 0.5 mm long; with a straight; short to spatulate dicotyledonous embryo embedded in oily endosperm.

Ploidy: 2n = 28*

Habitat: Occurring on dry ridges and canyons in diverse mesic forest.

Elevation Range: 750–1,200 m.

Historical Distribution

Uses and Culture

USES

Natural History

Statewide Status

Endemic

Island Status

Kaua'i Endemic
O'ahu Endemic

Dispersal Agents


Pollinators

Bibliography

Name Published In: Fl. Hawaiian Isl.: 237 (1888)

Other References

Wagner et al. 1990:480 (K, O)

Occurrences

SNo. Scientific Name Locality Habitat Basis of Record Description Recorded By Record Number Island Source Date
1 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Steep slope of gulch, grassy Preserved_Specimen Many plants, on steep slope, early flowering stage. Leaves broader on younger plants. Purple flower with curling petals in 2+3 and 5 green sepals Carter, I. 27 Kauai BISH 2000-06-27
2 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Precipitous slope Preserved_Specimen Degener, O. 21469 Kauai BISH 1950-12-27
3 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details 1-1.5m. ind. from a small colony, grassy clearing on rocky slope Preserved_Specimen flowers bottled; Takeuchi, W.N. 2062 Oahu BISH 1985-03-01
4 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details On moderate slopes above main stream channel, sheltered site with ohia and olomea canopy. Preserved_Specimen Scattered clumps; each with numerous unbranched stalks to 3 m heights, leaves in terminal sprays, keikis present sheet 3 shows maximum leaf size from a cluster adjacent to the sheet 1 and 2 collection. Takeuchi, W.N. 3690 Kauai BISH 1987-10-25
5 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details On moderate slopes above main stream channel, sheltered site with ohia and olomea canopy. Preserved_Specimen Scattered clumps; each with numerous unbranched stalks to 3 m heights, leaves in terminal sprays, keikis present sheet 3 shows maximum leaf size from a cluster adjacent to the sheet 1 and 2 collection. Takeuchi, W.N. 3690 Kauai BISH 1987-10-25
6 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Plant 8-9 ft. high, with long branches from near the base Forbes, C.N. 436 Kauai BISH 1909-09-01
7 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Woods on ridge Preserved_Specimen Shrub 3-7 ft. tall St.John, H. 9887 Oahu BISH 1929-09-29
8 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Shrub 1.5-2 m. high. Spikes terminal, solitary; corolla pale blue of bluish-gray. Webster, G.L. 1384 Oahu BISH 1948-03-26
9 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Knudsen Oahu BISH
10 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Tree, height 1-2 m., flowers light blue Christophersen, E. 1287 Oahu BISH 1930-03-16
11 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen A clump, many plants arising from a common rootstock. Rock, J.F.C. 17315 Kauai BISH 1920-01-27
12 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Chock, A.K. 928 Kauai BISH 1953-08-14
13 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 12836 Kauai BISH 1916-10-01
14 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Older leaves reddish. Fls. Dark blue. Stone, B.C. 3701 Kauai BISH 1961-08-08
15 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Tree, height 1-2 m., flowers light blue Christophersen, E. 1287 Oahu BISH 1930-03-16
16 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 827 Kauai BISH 1917-07-03
17 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Cranwell, L.M. 2909 Kauai BISH 1938-08-14
18 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Lyon, H.L. 5015 Kauai BISH 1925-03-01
19 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5779 Kauai BISH 1909-09-01
20 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 553 Kauai BISH 1910-01-01
21 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Degener, O. 21469 Kauai BISH 1950-12-27
22 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Takeuchi, W.N. 14 Kauai BISH 1982-09-25
23 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Bennett, T. 22 Oahu BISH 1982-03-11
24 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Takeuchi, W.N. 14 Kauai BISH 1982-09-25
25 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Carlquist, S. 13 Kauai BISH 1953-08-14
26 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Mann, H. Kauai BISH 1864-01-01
27 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Mann, H. Kauai BISH 1864-01-01
28 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. Kauai BISH 1909-09-01
29 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Aleurites Forest Preserved_Specimen Shrub - 5 ft. Grant, M.L. 7434 Oahu BISH 1934-09-30
30 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen BISH
31 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen BISH
32 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen BISH
33 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Rock, J.F.C. 5779 Kauai BISH 1909-09-01
34 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen Forbes, C.N. 827 Kauai BISH 1917-07-03
35 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Preserved_Specimen BISH
36 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details to the right of an old inflorescence of Wilkesia gymnoxiphium A.GRAY Preserved_Specimen Rock, J.F.C. Kauai BISH 1909-09-01
37 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Acacia-Alphitonia montane mesic forest w/ Euphorbia atrococca, Myrsine lanaiensis, Dodonaea viscosa, Psychotria mariniana, Wikstroemia furcata, Diospyros sandwicensis, Kadua affinis, Coprosma waimeae, C. foliosa, Polyscias kavaiensis, Anti Preserved_Specimen Tree; 2+ m tall; 10-branched; in flower and early fruit; dimorphic leaves; some narrow and some broad Wood, K.R. 16567 Kauai BISH 2015-08-20
38 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Acacia-Metrosideros mesic forrest, open to closed canopy, riparian with moderate to steep banks. W/Kadua affinis, Dodonaea, Leptecophylla tameiameiae, Psychotria mariniana, Antidesma platyphylla, Pouteria, Xylosma hawaiiense, Alyxia stellata, Chamaesyce atrococca, Carex alligata, Cyrtandra kauai on the upper slopes of north facing banks Preserved_Specimen upp to 3 m tall, branches, flowers lapis lazuli blue Wood, K.R. 13824 Kauai BISH 2009-07-16
39 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details On moderate slopes above main stream channel, sheltered site with ohia and olomea canopy. Preserved_Specimen Scattered clumps; each with numerous unbranched stalks to 3 m heights, leaves in terminal sprays, keikis present sheet 3 shows maximum leaf size from a cluster adjacent to the sheet 1 and 2 collection. Takeuchi, W.N. 3690 Kauai BISH 1987-10-25
40 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Metrosideros-Acacia-Alphitonia montane mesic forest with Euphorbia atrococca, Myrsine lanaiensis, Dodonaea viscosa, Psychotria mariniana, Wikstroemia furcata, Diospyros sandwicensis, Kadua affinis, Coprosma waimeae, C. foliosa, Polyscias kavaiensis, Anti Preserved_Specimen Tree, 3+ meters tall, 10-branched, in flower and early fruit, dimorphic leaves, some narrow and some broad, ca. 10 plants in area, mapped. Wood, K.R. 16566 Kauai BISH 2015-08-20
41 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Nort5hern branch Metrosideros-Acacia montane mesic forest transtioning into Metrosideros-Decranopteris wet forest with Alphitonia, Pouteria, Xylosma hawaiiensis, Claoxylon, Mrysine lanaiensis, Wikstroemia furcata, Dodonaea, Kadua affinis, Melicope ovata, M. anisata, Dracaena aurea, Polyscias kavaiensis, Psychotri Preserved_Specimen trees, on steep slopes above headwater drainage, some with early fruiting infrucescence, ca. 20 plants scattered in area, mapped Wood, K.R. 15683 Kauai BISH 2013-10-06
42 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details in company with Wilkesia gymnoxiphium, Coreopsis cosmoides, etc. Preserved_Specimen Rock, J.F.C. 5779 Kauai BISH 1909-09-01
43 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details moist woods Preserved_Specimen Plant 5-15 ft. high St.John, H. 13705 Kauai BISH 1933-12-27
44 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Woods on ridge Preserved_Specimen Shrub 3-7 ft. tall St.John, H. 9887 Oahu BISH 1929-09-29
45 Lobelia yuccoides Locality redacted. Contact Bishop Museum Botany Department for details Woods, upper ridge Preserved_Specimen Flowers lavender-blue St.John, H. 10423 Oahu BISH 1930-03-16
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