Drosera burkeana Planch.

Species

Angiosperms > Caryophyllales > Droseraceae > Drosera

Characteristics

Acaulescent perennial.. Leaves in a basal rosette; blade suborbicular, 2–10 mm. long, 2–9 mm. broad, glandular on and around the margin of the upper surface, glabrous on the lower surface; petiole 2–20 mm. long, narrow throughout and broadening abruptly into the blade, glabrous or pilose.. Stipules 3 mm. long, connate at the base; apex lacerated.. Peduncles 1–4, 4–30 cm. long, arising laterally from the rosette then curving to become erect, canaliculate, glandular; inflorescence racemose, often secund, 2–12-flowered; pedicels 2–12 mm. long, glandular; bracts narrowly obovate, 1–2 mm. long, glandular or glabrous.. Sepals 5, ± elliptic, 4–5 mm. long, 2 mm. broad, acute or obtuse, irregularly serrulate at the apex, glandular.. Petals 5, 5–7 mm. long, 3–4 mm. broad, white or pink.. Stamens 5; filaments 4 mm. long.. Ovary subglobose, glabrous; styles 3, bifid nearly to the base.. Seeds ovoid, 0.3–0.4 mm. long, 0.15–0.2 mm. broad, black; testa smooth.. Fig. 1/10, p. 3.
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Small herbs with tufted rosettes and a few thin, fairly long roots. Leaves with a petiole about as long as the lamina, c. 1 cm, terete, somewhat hairy; stipules entire below, laciniate above, rust coloured; lamina obovate to spathulate, c. 1 cm long, bearing both types of tentacles; lower surface glabrescent. Inflorescence with the wiry scape erect or somewhat curved below, 5-20 cm long, 3-10-flowered with the small flowers close together. Calyx-lobes ovate; 4 mm long. Petals obovate, shortly clawed, c. 5 mm long. Stamens with thin, flattened filaments, connective slightly dilated. Styles divided from the base, curved upwards, the stigmatic apical part spoon-shaped, membranous. Capsule oblong, 3 mm; seeds ovoid, c. 0.5 mm, black. Flowering during the summer months.
Small, perennial, insectivorous herb, up to 230 mm high. Leaves arranged in a rosette, petiole and lamina both ± 10 mm long, obovate to spathulate, rust-coloured, lower surface glabrescent; stipules laciniate above. Flowers 3-10 on wiry scape, 50-200 mm high, somewhat curved below then erect; style divided from base, curved upward, stigmatic part spoon-shaped, membranous. Flowering time summer months. Fruit an oblong capsule. Seeds ovoid.
Perennial herb, 0.10-0.23 m, acaulescent. Leaves in a flat rosette; petiolate; blade with terete tentacles, tipped with knob-shaped glands and tapered tentacles with flattened glands; petioles ± 15 mm long. Flowers: in an inflorescence 50-200 mm long; petals up to 8 mm long; pink or white; Sep.-Feb. Fruit oblong, 3 mm long.
Leaves in a basal rosette; lamina 2–10 x 2–9 mm., suborbicular, glandular on and around the margins of the upper side, glabrous below; stipules 3 mm. long, connate at the base, apices lacerated; petiole 0·2–2 cm. long, narrow throughout its length and broadening abruptly into the lamina, glabrous or pilose.
Inflorescence racemose, often secund, 2–12-flowered; pedicels 0·2–1·2 cm. long, glandular; bracts 1–2 mm. long, narrowly obovate, glandular or glabrous abaxially, glabrous adaxially, caducous.
Small herbs with tufted rosettes. Petioles ± 15 mm long. Inflorescences 50-200 mm long. Petals up to 8 mm long. Flowers pink or white.
Peduncles 1–4, 4–30 cm. long, arising laterally from the rosette then curving to become erect, canaliculate, glandular.
Sepals 5, 4–5 x 2 mm., connate at the base, ± elliptic, acute or obtuse, irregularly serrulate at the apex, glandular.
Ovary subglobose, glabrous; styles 3, 2-partite to the base with spathulate apices.
Seeds 0·3–0·4 x 0·15–0·2 mm., black, ovoid, testa smooth.
Petals 5, 5–7 x 3–4 mm., white or pink.
Stamens 5, filaments 4 mm. long.
Perennial herb, acaulescent.
Flowers pink
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.23
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

In grassland.
Light 7-9
Soil humidity 7-9
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-11

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 12 - 18
Germination luminosity light
Germination treatment -
Minimum temperature (C°) -7
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Drosera burkeana world distribution map, present in Angola, Botswana, Congo, Sri Lanka, Madagascar, Mozambique, Malawi, Tanzania, United Republic of, Uganda, South Africa, Zambia, and Zimbabwe

Conservation status

Drosera burkeana threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:321801-1
WFO ID wfo-0000945851
COL ID 37QP8
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Drosera burkeana