Drosera dielsiana Exell & Laundon

Species

Angiosperms > Caryophyllales > Droseraceae > Drosera

Characteristics

Small, hairy herbs with compact, basal rosettes and a few fairly long thin roots. Leaves 15-25, the old leaves soon disintegrating, apetiolate; stipules small, fimbriate, auriculate; lamina spathulate; up to 2 cm long, 6 mm broad above, apex rounded, tapered below into a broad, hairy petiolar part; both types of tentacles present; lower surface sparsely hairy. Inflorescence with the scape leafless, sturdy, straight or rarely somewhat curved below, 10-20 cm long, hairy near the base; usually about 8-flowered (3-12) with the rhachis erect; flowers secund, small, seldom open according to collectors; pedicels 2 mm. Calyx-lobes c. 5 mm long. Petals obovate, unguiculate, c. 7 mm long, pink, mauve, violet or white. Stamens with narrowly winged filaments. Styles forked from the base with the stigmatic apex spoon-shaped, membranous. Capsule oblong, 5 mm; seeds ovoid, 0.4 mm black, honeycombed.
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Perennial herb, 0.01-0.25 m, acaulescent. Leaves in a compact, basal rosette; sessile; blade with terete tentacles, tipped with knob-shaped glands and tapered tentacles with flattened glands. Flowers: stipules laciniate, auriculate. Flowers: in an inflorescence 100-200 mm long; petals pink, mauve, violet or white; Dec.-Apr. Fruit oblong, 5 mm long.
Leaves in basal rosettes; lamina 0·3–1·5 x 0·2–0·7 cm., obovate-spathulate, glandular; stipules 2–3 mm. long, connate at the base, apex lacerated; petioles 0·3–3·5 cm. long, broadening into the lamina, glabrous or sparsely pilose.
Small, hairy herb with compact, basal rosettes. Stipules laciniate, auriculate. Inflorescence 100-200 mm long. Style arms entire, spoon-shaped. Seed ovoid. Flowers pink, mauve, violet or white.
Peduncles 1–2(6), 2–17 cm. long, arising laterally from the rosette then curving to become erect, canaliculate, glabrous or sparsely pilose in the lower part, glandular in the upper part.
Sepals 5, 3–6 x 2–2·5 mm., connate at the base, ± elliptic, obtuse, slightly irregularly serrulate at the apex, glandular.
Inflorescence racemose, 3–12-flowered; pedicels 1–5 mm. long, glandular; bracts 1–3 mm. long, linear-elliptic, caducous.
Ovary subglobose, glabrous; styles 3, 2 mm. long, 2-partite to the base with spathulate apices.
Seeds 0·3–0·6 x 0·2 mm., black, ovoid; testa usually foveolate.
Petals 5, 7–8 mm. long, pink or crimson to reddish-purple.
Stamens 5, filaments 5 mm. long.
Perennial herb, acaulescent.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 0.3
Mature height (meter) 0.3 - 2.5
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 4-7
Soil humidity 2-7
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) 9-12

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°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Drosera dielsiana unspecified picture

Distribution

Drosera dielsiana world distribution map, present in Botswana, Sri Lanka, Mozambique, Malawi, South Africa, and Zimbabwe

Conservation status

Drosera dielsiana threat status: Least Concern

Identifiers

LSID urn:lsid:ipni.org:names:321828-1
WFO ID wfo-0000945903
COL ID 37QQK
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Drosera dielsiana