Asclepias ovalifolia Decne.

Oval-leaf milkweed (en)

Species

Angiosperms > Gentianales > Apocynaceae > Asclepias

Characteristics

Slender, 2–6 dm; lvs firm, lance-ovate to oblong or elliptic, 3–6(–10) cm, cuneate to rounded at base, finely hairy beneath; petioles 2–8 mm; umbels solitary and terminal, or 1 or 2 lateral, loosely few-fld; cor greenish-white to greenish-purple, its lobes 5–7 mm; hoods as in no. 7 [Asclepias syriaca L.], even in size; pods merely thinly hairy; 2n=22. Dry prairies; n. Ill. to Wis., Minn., s. Sask., and w. S.D. June, July.
More
A herb. It grows 25-50 cm tall. The stems are slender and erect. The leaves are oval and 5-8 cm long by 3-4 cm wide. The flowers are 6 mm across and in a cluster.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) 1.0
Mature height (meter) 0.6
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Sandy, gravelly or clayey soils of prairies and woodlands. Sandy prairies and open woods, gravelly knolls, spreading to railways.
More
It is a temperate plant.
Light 6-9
Soil humidity 3-7
Soil texture 3-5
Soil acidity 3-7
Soil nutriment -
Hardiness (USDA) 5-8

Usage

Uses fiber medicinal oil
Edible flowers gums leaves pods seeds shoots stems
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seed or cuttings.
Mode cuttings divisions seedlings
Germination duration (days) 30 - 90
Germination temperacture (C°) 10 - 23
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Flower

Asclepias ovalifolia flower picture by Filip Prokopenko (cc-by-sa)

Distribution

Asclepias ovalifolia world distribution map, present in Canada and United States of America

Identifiers

LSID urn:lsid:ipni.org:names:94507-1
WFO ID wfo-0000551599
COL ID H6KZ
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Asclepias ovalifolia f. ovalifolia Asclepias ovalifolia Asclepias nuttalliana Asclepias ovalifolia f. verticillifolia