font settings and languages

Font Size: Large | Normal | Small
Font Face: Verdana | Geneva | Georgia
Languages:

Lobelia gaudichaudii koolauensis

(Koolau Range Lobelia)

Overview

[ Back to top ]

Critically Endangered

Threat status

Common Names

[ Back to top ]

Common Names in English:

Gaudichaud Lobelia, Koolau Range Lobelia

Description

[ Back to top ]

Physical Description

Habit: Subshrub , Shrub , Forb/herb

Flowers: Showy flowers. Blooms in July, August, September. Attracts butterflies and hummingbirds. Corolla to 4cm long, resupinate, tubular , 5-lobed, fenestrate, glabrous to puberulent externally and internally. Stamens 5. Filaments red, united into a tube to +3cm long and surrounding style. Stigma 2-lobed. Calyx campanulate , small at anthesis but quickly enlarging to 1.5cm long, 5-lobed, 10-ribbed, greenish-purple, puberulent to strigose . Lobes up to 2.5cm long, +/-2mm broad, linear-attenuate.

Foliage: Smooth-textured dark-green herbaceous foliage . Leaves are alternate, sessile above, petiolate below, reduced upward and at base . Petioles to +1cm long. Blades lanceolate to oblanceolate , typically glabrous to sparse hirsute or strigose , serrulate to denticulate , to 20cm long, 5cm wide, acute to acuminate. Margins often sinuous .

Size/Age/Growth

Size: 3-9" tall, 6" wide.

Landscaping

Care: No serious disease or insect problems.

Biology

[ Back to top ]

Reproduction

Duration: Perennial

Growth

Culture: Space 4-6" apart. Self-sows. Propagation : Divide the rootball, or start from seed. Allow seed heads to dry on plants before collecting. Start seeds indoors 10 to 12 weeks before the last spring frost. Place seeds on top of finely prepared soil. After sowing, moisten the potting mix and place the seed tray in a cool place or refrigerator for 2 weeks, then move to a 65-70°F. area. Seedlings emerge in 2-3 weeks. Transplant after all danger of frost is past.

Soil: Requires damp soil. Prefers rich organic , moist soil, pH 6.5 to 7.5.

Sunlight: Sun Exposure: Full sun where summers are cool, light shade for areas with hot summers. Tolerates full shade, but better blooms with partial sun. Shade helps deepen the intensity of blooms

Moisture: Water Requirements: Very high moisture needs. Keep soil mixture moist until well established . Water daily during hot, dry summer. Suitable for water gardens.

Temperature: Cold Hardiness: 3a, 3b, 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b (map)

Taxonomy

[ Back to top ]

Notes

Name Status: Accepted Name . Latest taxonomic scrutiny: 15-Mar-2000

Place of publication : A. P. de Candolle, Prodr. 7:384. 1839

Name verified on 02-Mar-2000 by ARS Systematic Botanists. Last updated: 14-Feb-2003

Similar Species

[ Back to top ]

Members of the genus Lobelia

ZipcodeZoo has pages for 1079 species, subspecies, varieties, forms, and cultivars in this genus. Here are just 100 of them:

L. aberdarica · L. acuminata · L. acutangula · L. acutidens · L. adnexa · L. aemula · L. affinis · L. agrestis · L. aguana · L. alata (Angled Lobelia) · L. albomaculata · L. algoensis · L. 'Alice' · L. alsinoides · L. alsinoides subsp. hancei · L. alticaulis · L. amabilis · L. amaroensis · L. amblyanthera · L. amoena (Southern Lobelia) · L. amoena Michx. var. amoena Michx. (Southern Lobelia) · L. amoena Michx. var. glandulifera Gray (Southern Lobelia) · L. amoena var. amoena (Southern Lobelia) · L. amoena var. glandulifera (Southern Lobelia) · L. amoena var. obtusata · L. amplexicaulis · L. 'Anabel Lilac' · L. anatina (Southwestern Blue Lobeila) · L. anceps · L. anchusifolia · L. andrewsii · L. andropogon · L. androsacea · L. angolensis · L. angulata · L. angustifolia · L. antisyphilitica · L. aphylla · L. appendiculata (Ear-Flower Lobelia) · L. appendiculata A.DC. var. appendiculata A.DC. · L. appendiculata A.DC. var. gattingeri (Gray) McVaugh (Gattinger's Lobelia) · L. appendiculata var. appendiculata (Pale Lobelia) · L. appendiculata var. gattingeri (Gattinger's Lobelia) · L. apterantha · L. aquaemontis · L. aquatica · L. arabidea · L. arborea · L. 'Arctis' · L. ardisiandroides · L. arenaria · L. arguta · L. arnhemiaca · L. aromatica · L. asperulata · L. asplenifolia · L. assurgens · L. assurgens portoricensis · L. assurgens subsp. santa-clarae · L. atriplicina · L. attenuata · L. auriculata · L. aurita · L. ayavacensis · L. 'Azuro' · L. bambuseti · L. baoulensis · L. barbata · L. barkeri · L. barnsii · L. baumannii · L. beaugleholei · L. 'Bees' Ridge' · L. begonifolia · L. begoniifolia · L. bellidiflora · L. bellidifolia · L. bellis · L. benguellensis · L. benthamii · L. bequaertii · L. bequeartii · L. bergiana · L. berlandieri (Berlandier's Lobelia) · L. berlandieri A.DC. var. brachypoda (Gray) McVaugh (Berlandier's Lobelia) · L. berlandieri subsp. brachypoda · L. berlandieri var. berlandieri (Berlandier's Lobelia) · L. berlandieri var. brachypoda (Berlandier's Lobelia) · L. beslerioides · L. bicolor · L. bidentata · L. bifida · L. biserrata · L. bivonae · L. blanda · L. blantyrensis · L. boivinii · L. boninensis · L. borleana · L. borneensis

More Info

[ Back to top ]

Further Reading

[ Back to top ]

Notes

[ Back to top ]

Contributors

Identifiers

Last Revised: 2009-07-04