Colchicum asteroides (J.C.Manning & Goldblatt) J.C.Manning & Vinn.

Species

Angiosperms > Liliales > Colchicaceae > Colchicum

Characteristics

Stemless perennial with indistinguishable internodes and leaves in basal rosette. Corm ovoid, 10-15 mm diam.; tunics dark brown, coriaceous. Cataphyll single, 70-110 mm long, translucent, papery in texture. Leaves ± 8, spreading, lanceolate, (60-)90-110 x (3-)10-18 mm, but expanding up to 25 mm wide at base, attenuate, amplexicaul, upper leaves widening more conspicuously towards base than lower, spirally inserted, glaucous green, lightly canaliculate with depressed median vein, margins ciliolate, grading into floral leaves; fertile floral leaves shorter and broader at base than foliage leaves, partially encircling flowers but not obscuring them, suberect or incurved. Flowers 2-6, sessile, not or slightly protruding above crown of plant; perianth ±10 mm diam., white, unscented; tepals unequal, inner slightly smaller than outer, (13-)15-17 mm long, limb flat or lightly concave, ovate, 8-9 x 4-6 mm, claw oblong-cuneate, 6-8 x 2-3 mm. Stamens included; filaments arcuate, 4-5 mm long, greenish yellow; anthers 2 mm long, yellow; nectary wider than filament base, ovate with central keel, 1.2 mm diam., greenish yellow. Ovary obovoid, 3-lobed, 5-6 mm long, white flushed green above, stylules 6 mm long, white, stigmas elongate, 1 mm long. Capsule subglobose, coriaceous, 17 mm long. Seeds subglobose, 2.0-2.5 mm diam., dark brown, testa rugulose.
More
Sessile, cormous herb. Leaves in a basal rosette, narrowly ovate, up to 135 mm long. Flowers: bracts leaf-like; stamens much shorter than perianth; perianth with a flat blade, 5.5-10.0 mm long, claw 4-10 mm long, white; May, Jun.
Life form perennial
Growth form herb
Growth support -
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) -
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light -
Soil humidity 10-12
Soil texture 1-2
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 365
Germination temperacture (C°) 12 - 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Colchicum asteroides world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:77083459-1
WFO ID wfo-0000808237
COL ID WX9N
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Androcymbium asteroides Colchicum asteroides Androcymbium roseum subsp. albiflorum