| 词条 | Escobaria missouriensis |
| 释义 |
|image = Escobaria missouriensis 07juil2005 avec fleur et fruits.jpg |regnum = Plantae |unranked_divisio = Angiosperms |unranked_classis = Eudicots |unranked_ordo = Core eudicots |ordo = Caryophyllales |familia = Cactaceae |subfamilia = Cactoideae |tribus = Cacteae |genus = Escobaria |species = E. missouriensis |binomial = Escobaria missouriensis |synonyms_ref=[1] |synonyms={{collapsible list|bullets = true |title=Synonymy |Cactus missouriensis (Sweet) Kuntze |Coryphantha missouriensis (Scheer) Britton & Rose |Coryphantha similis (Engelm.) Britton & Rose |Mammillaria missouriensis Sweet |Neobesseya missouriensis (Sweet) Britton & Rose |Neobesseya similis (Engelm.) Britton & Rose |Neomammillaria missouriensis (Sweet) Britton & Rose ex Rydb. |Escobaria asperispina (Boed.) D.R.Hunt, syn of subsp. asperispina |}}}}Escobaria missouriensis, the Missouri foxtail cactus and formerly Coryphantha missouriensis, is a species of low-growing North American cacti. It is found in along the Missouri River in the tallgrass prairie and shortgrass Great Plains, from Texas to Montana and the Dakotas, and in the Rocky Mountains woodlands of Ponderosa pine (Pinus ponderosa), pinyon-juniper, and Gambel oak (Quercus gambelii) west of it. It is also native to the Southwestern United States in Arizona, New Mexico, and Utah.[2][3][4] DescriptionEscobaria missouriensis grows up to {{convert|30|cm|in}} high and forms clumps to {{convert|30|cm|in}} or greater in diameter. They are generally larger in the Southwest. The plants are primarily unbranched, except eastern populations that can be profusely branched. The spines are bright white, pale gray, or pale tan, weathering to gray or yellowish brown.[2] The plant blooms in April to June, with flowers that are pale greenish yellow to yellow-green with midstripes of green or rose-pink to pale brown.[2][5]Escobaria missouriensis has been extirpated from many of its historically known sites by introduced fire ants, suburban development, brush encroachment following fire suppression, and over-grazing.[2]
References1. ^1 The Plant List, Escobaria missouriensis (Sweet) D.R.Hunt 2. ^1 2 3 Flora of North America, Missouri foxtail cactus Coryphantha missouriensis . accessed 4.4.2011 3. ^United States Department of Agriculture plants profile, Escobaria missouriensis . accessed 4.4.2011 4. ^Biota of North America Program, 2014 county distribution map 5. ^NPIN_Escobaria missouriensis . accessed 4.4.2011 External links{{Commons category|Escobaria missouriensis}}
4 : Escobaria|Cacti of the United States|Plants described in 1826|Flora of the United States |
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