| 词条 | Asclepias macrosperma |
| 释义 |
|image = |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Asterids |ordo = Gentianales |familia = Asclepiadaceae |genus = Asclepias |species = A. macrosperma |binomial = Asclepias macrosperma |binomial_authority = Eastw. ex Vail }} Asclepias macrosperma (dwarf milkweed) is a perennial plant in the milkweed family (Asclepiadaceae) found in the Colorado Plateau and Canyonlands region of the southwestern United States.[1]{{rp|138}} DescriptionGrowth patternIt is a perennial plant {{convert|2|to|10|in|cm}} long with stems laying on the ground.[1]{{rp|138}} Leaves and stemsLeaves and stems are densely covered with hair.[1]{{rp|138}} Inflorescence and fruitIt blooms from April to June.[1]{{rp|138}} Flowers are in clusters at the ends of stems, with 5 greenish-white downward bent petals and 5 greenish-white pouch-like sacs.[1]{{rp|138}} Seedpods are shaped like spindles.[1]{{rp|138}} Habitat and rangeIt can be found from mixed desert shrub up to pinyon juniper woodland communities.[1]{{rp|138}} Ecological and human interactions"Macro" + "sperma" means "large" + "seed".[1]{{rp|138}} It was first collected at Arches National Park in 1893.[1]{{rp|138}} References1. ^1 2 3 4 5 6 7 8 Canyon Country Wildflowers, Damian Fagan, 2nd ed., 2012, Morris Bush Publishing, LLC. in cooperation with Canyonlands Natural History Association, {{ISBN|978-0-7627-7013-7}} 1 : Asclepias |
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