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Drosera alba E.Phillips

Species

Angiosperms > Caryophyllales > Droseraceae > Drosera

Characteristics

Slender, small herbs with several short, swollen roots. Leaves apetiolate, exstipulate, dimorphous, laxly arranged, primary leaves rosulate spreading flat on the ground, oblanceolate, 1-2 cm long, 4 mm broad, with flattened marginal and knob-shaped tentacles; secondary leaves erect, narrowly linear, c. 5 cm long, 1.5 mm broad, apex obtuse, with long (up to 5 mm) knob-shaped tentacles only, aggregated above the basal rosette. Inflorescence with a central, leafless slender scape up to 13 cm long, 1-several-flowered; pedicels up to 2 cm long. Calyx-lobes ovate, 3 mm long, petals broadly obovate, 7-10 mm long, white or mauve. Stamens short, with the connective rhomboid. Styles divided from the base with the stigmatic apices flabellately multifid or rarely remaining fused (when immature). Capsule ovoid; seed ovoid. Flowering in April, May; August-October.
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Tufted, red-glandular perennial, up to 130 mm tall. Leaves basal, dimorphic, red, lower ones rosulate and oblanceolate, with both long, flattened tentacles and short, terete tentacles, upper ones ± erect and linear, but absent in KB. Flowers few in a subcorymbose cyme, white or mauve, stigmas multifid.
Tufted perennial to 13 cm. Leaves radical, dimorphic, lower oblanceolate and upper linear, exstipulate. Flowers few in a subcorymbose cyme, white or mauve, stigmas multifid.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.13
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity -
Soil texture 5-6
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°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Drosera alba unspecified picture

Distribution

Drosera alba world distribution map, present in Botswana, Sri Lanka, and South Africa

Identifiers

LSID urn:lsid:ipni.org:names:321772-1
WFO ID wfo-0000945808
COL ID 37QN5
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR) Link

Synonyms

Drosera alba
WorldFloraDB 2024