Asclepias vicaria N.E.Br.

Species

Angiosperms > Gentianales > Apocynaceae > Asclepias

Characteristics

Plant probably branching at the base; stems decumbent at the base or for a considerable part of their length, 2/3-1 ft. long, harshly pubescent; leaves in 5-7 pairs to a stem; petiole 2-3 lin. long; blade 1-1 3/4 in. long, 5-11 lin. broad, of the lower leaves ovate, with a cordate base, of the upper lanceolate, with a rounded base, all acute, rather harshly pubescent on both sides; umbel solitary, terminal, half-globose, 1-1 1/2 in. in diam., 25-40-flowered; peduncle 2 1/2-3 in. long, harshly pubescent; bracts about 2 lin. long, lanceolate-subulate, pubescent; pedicels 4-5 lin. long, thinly covered with spreading rather stiff hairs; sepals 1 1/2 lin. long, 3/4 lin. broad, ovate-lanceolate, acute, pubescent with rather long hairs; corolla-lobes reflexed, 2-2 1/3 lin. long, 1 1/3-1 1/2 lin. broad, ovate, subacute, pubescent on the back, puberulous on the inner face; corona-lobes arising a little above the base of the staminal column, erect, about 1/2-2/3 lin. long, 2/3-3/4 lin. broad at the top in side view, complicate-cucullate, truncate with a narrow rim at the base, obliquely truncate with recurved-spreading margins at the top, with the apical angles of the inflexed sides produced into short acute teeth resting upon the anther-appendages, and with an oblique wing near the inner margins at about the middle; staminal column 1 1/4 lin. long; anther-appendages transversely oblong or reniform, rounded or slightly emarginate, inflexed upon (but not covering) the truncate style-apex.
More
Perennial, geophytic, decumbent herb, 235-345 mm high. Stems 4-9 per plant. Leaves spreading, ovate-lanceolate to ovate, 25-35 x 12-24 mm, base truncate or subcordate, apex acute. Inflorescences solitary, globose, erect, 25-40-flowered; peduncle 44-82 mm long. Flowers creamy green. Corolla spreading reflexed; lobes ovate 4-3 x 2.7-3.2 mm. Staminal column ± 2.5 mm long, slightly stipitate. Corona: lobes small, slipper-shaped, 1-2 mm long, ± 1.5 mm high, upper proximal edge shortly dentate and extended over margin of style-stigma-head, upper margin ± truncate, curving downwards into blunt-tipped acuminate point. Anther transversely oblong to reniform with emarginate apex, incumbent on style-stigma-head margin. Flowering time Jan.?
Life form perennial
Growth form herb
Growth support free-standing
Foliage retention -
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 0.24 - 0.35
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 -
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°) 10 - 23
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Asclepias vicaria world distribution map, present in South Africa

Identifiers

LSID urn:lsid:ipni.org:names:94725-1
WFO ID wfo-0000551874
COL ID H6S2
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Asclepias vicaria