Asclepias expansa (E.Mey.) Schltr.

Species

Angiosperms > Gentianales > Apocynaceae > Asclepias

Characteristics

Perennial, geophytic herb, 220-720 mm high. Leaves linear, 42-120 x 0.8-3.5 mm; minutely hastate. Inflorescences 4-8(-10-flowered; peduncle 9-27 mm long. Flowers cream-coloured to creamy brown; corolla lobes 7.5-11.5 x 4.0-5.5 mm, margins scabrous; staminal column 2-3 mm high, stipitate by 1 mm long. Corona: lobes 6.7-9.5 mm high, 4.0-5.5 mm wide, upper proximal 2.1-3.5 mm long and upper distal 3.0-5.5 mm long, ends extended into 2 very long dentate appendages that protrude well over style-stigma-head, upper margin cleft. Anther: appendage spathulate, erect, 2.4-4.1 mm long. Flowering time Oct.-Mar.
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Erect, single-stemmed perennial to 70 cm; sap milky. Leaves opposite, linear, glabrous or sparsely hairy on margins. Flowers green with purple reverse, corona lobes hollowed, white.
A herb.
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.22 - 0.72
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months -
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway -

Environment

It is a subtropical plant.
Light -
Soil humidity -
Soil texture -
Soil acidity -
Soil nutriment -
Hardiness (USDA) -

Usage

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

Cultivation

Mode -
Germination duration (days) 30 - 90
Germination temperacture (C°) 10 - 23
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Asclepias expansa world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:94269-1
WFO ID wfo-0000551313
COL ID 5W3XG
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Asclepias expansa Gomphocarpus expansus Lagarinthus expansus