乳草
马利筋屬下的植物通稱乳草，又称乳仔草、红乳草、细本乳仔草、千根草、乳汁草-岭南、痢疾草-广东、细叶飞扬草-广州、萹蓄草-台湾，是多年生草本植物的一属，属于夹竹桃科植物，涵括超过140种植物。例子有马利筋。
马利筋屬 | |
|---|---|
 | |
| Asclepias syriaca | |
科学分类  | |
| 界： | 植物界 Plantae |
| 演化支： | Tracheophyta |
| 演化支： | 被子植物 Angiosperms |
| 演化支： | 真双子叶植物 Eudicots |
| 演化支： | 菊类植物 Asterids |
| 目： | 龙胆目 Gentianales |
| 科： | 夹竹桃科 Apocynaceae |
| 属： | 马利筋属 Asclepias |
| 种： | 马利筋屬 Asclepias |
| 二名法 | |
| Asclepias Linn. | |
马利筋物种已经演化出精巧的抵御策略以对抗吃它们叶子的毛虫。这些包括叶子上的毛、其组织中称为心脏干扰素的心脏毒以及来自於植物管状器官的乳白色有毒乳汁，故马利筋又称乳草。
部分種
 | Asclepias albicans | Whitestem milkweed, native to the Mojave and Sonoran deserts |
 | Asclepias amplexicaulis | Blunt-leaved milkweed, native to central and eastern United States |
 | Asclepias asperula | Antelope horns, native to American southwest and northern Mexico |
.jpg.webp) | Asclepias californica | California milkweed, native to central and southern California |
 | Asclepias cordifolia | Heart-leaf milkweed, native to the Sierra Nevada and Cascade Range up to 2000 m. |
 | Asclepias cryptoceras | Pallid milkweed, native to the western United States. |
_W_IMG_1570.jpg.webp) | Asclepias curassavica | Scarlet milkweed, tropical milkweed, bloodflower, bastard ipecacuanha, native to the American tropics, introduced to other continents |
_(5771618293).jpg.webp) | Asclepias curtissii | Curtiss's milkweed, endemic to sandy areas of Florida |
 | Asclepias eriocarpa | Woollypod milkweed, native to California, Baja California, and Nevada |
 | Asclepias erosa | Desert milkweed, native to California, Arizona, and Baja California |
.jpg.webp) | Asclepias exaltata | Poke milkweed, native to eastern North America |
 | Asclepias fascicularis | Narrow-leaf milkweed, native to Western United States |
 | Asclepias hirtella | Tall green milkweed |
 | Asclepias humistrata | Sandhill milkweed, native to southeastern United States |
 | Asclepias incarnata | Swamp milkweed, native to wetlands of North America |
| Asclepias involucrata | ||
 | Asclepias lanceolata | Lanceolate milkweed (Cedar Hill milkweed), native to coastal plain of eastern United States from Texas to New Jersey |
 | Asclepias linaria | Pine needle milkweed, native to Mojave and Sonoran deserts |
| Asclepias linearis | Slim milkweed | |
 | Asclepias meadii | Mead's milkweed, native to midwestern United States |
| Asclepias nivea | ||
 | Asclepias nyctaginifolia | Mojave milkweed, native to the American southwest |
| Asclepias obovata | Pineland milkweed | |
 | Asclepias purpurascens | Purple milkweed, native to eastern, southern, and midwestern United States |
 | Asclepias quadrifolia | Four-leaved milkweed, native to eastern United States and Canada |
 | Asclepias rubra | Red milkweed |
 | Asclepias solanoana | Serpentine milkweed, native to northern California |
 | Asclepias speciosa | Showy milkweed, native to western United States and Canada |
 | Asclepias subulata | Rush milkweed, leafless milkweed, native to southwestern North America |
 | Asclepias subverticillata | Horsetail milkweed[1] |
 | Asclepias sullivantii | Sullivant's milkweed |
 | Asclepias syriaca | Common milkweed |
 | Asclepias texana | Texas milkweed |
 | Asclepias tuberosa | Butterfly weed, pleurisy root |
 | Asclepias uncialis | Wheel milkweed |
 | Asclepias variegata | White milkweed |
.jpg.webp) | Asclepias verticillata | Whorled milkweed |
| Asclepias vestita | Woolly milkweed | |
 | Asclepias viridiflora | Green milkweed |
 | Asclepias viridis | Green antelopehorn, spider milkweed |
 | Asclepias welshii | Welsh's milkweed |
南美洲有A. curassavica等12種。
参考文献
- Asclepias subverticillata (A. Gray) Vail （页面存档备份，存于）, USDA PLANTS
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