Asclepias verticillata L.

Whorled milkweed (en)

Species

Angiosperms > Gentianales > Apocynaceae > Asclepias

Characteristics

Stems slender, erect from a cluster of fibrous roots, 2–5 dm, simple to the infl, pubescent in lines; lvs very numerous in whorls of 3–6, narrowly linear, 2–5 cm × 1–2 mm, revolute; umbels several from the upper nodes; peduncles 1–3 cm; fls white or greenish; cor-lobes 4–5 mm; hoods somewhat divergent, 1.5–2 mm, about equaling the gynostegium, their margins entire; horns subulate, much surpassing the hoods, inflexed over the gynostegium; fr slender, erect on erect pedicels, 7–10 cm; 2n=22. Fields, roadsides, upland woods, and prairies; Mass. to Fla., w. to Sask., Kans., and Ariz. June–Aug.
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A herb. It grows 10 cm tall.
Life form perennial
Growth form herb
Growth support -
Foliage retention evergreen
Sexuality hermaphrodite
Pollination entomogamy
Spread -
Mature width (meter) -
Mature height (meter) 0.4
Root system fibrous-root tap-root
Rooting depth (meter) 1.2
Root diameter (meter) 0.4
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months -
Nitrogen fixer -
Photosynthetic pathway c3

Environment

Prairies, thickets, and open woods, usually in rather dry soil; sand-dunes; spreading to roadsides and fence corners.
More
It is a temperate to tropical plant.
Light 6-9
Soil humidity 3-7
Soil texture 4-5
Soil acidity 4-8
Soil nutriment -
Hardiness (USDA) 4-7

Usage

The young buds are eaten.
Uses fiber medicinal poison
Edible flowers leaves pods roots seeds shoots stems
Therapeutic use Diaphoretic (root), Snake Bite Remedy (root), Stimulant (root), Gynecological Aid (unspecified), Nose Medicine (unspecified), Throat Aid (unspecified), Tumor (unspecified), Condyloma (unspecified), Poison (unspecified)
Human toxicity -
Animal toxicity -

Cultivation

Plants can be grown from seed or cuttings.
Mode cuttings divisions seedlings
Germination duration (days) 57 - 87
Germination temperacture (C°) 3 - 13
Germination luminosity -
Germination treatment stratification
Minimum temperature (C°) -35
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Images

Leaf

Asclepias verticillata leaf picture by Nate Szkil (cc-by-sa)
Asclepias verticillata leaf picture by David Hinds (cc-by-sa)
Asclepias verticillata leaf picture by Paige Conner (cc-by-sa)

Flower

Asclepias verticillata flower picture by ben vc (cc-by-sa)
Asclepias verticillata flower picture by Wagner Cody (cc-by-sa)
Asclepias verticillata flower picture by David Koser (cc-by-sa)

Distribution

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

Identifiers

LSID urn:lsid:ipni.org:names:94722-1
WFO ID wfo-0000551862
COL ID H6RX
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR)

Synonyms

Asclepias galioides Asclepias linifolia Asclepias parviflora Asclepias verticillata var. galioides Asclepias verticillata var. linifolia Asclepias verticillata var. leptophylla Asclepias verticillata