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crouching milk-vetch, sprawling milk-vetch
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John Day milk-vetch, transparent milk-vetch
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Prostrate annual or biennial from a stout taproot, nearly glabrous, the stems numerous, 1-4 dm. long. |
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Leaves alternate, pinnate, 2-4 cm. long; stipules 1-2 mm. long, not connate; leaflets 9-13, obovate, 4-12 mm. long. |
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Inflorescence of 5- to 20-flowered compact racemes; peduncles about equaling the leaves; flowers 4-8 mm. long, mostly white, but the banner purplish-veined and the keel purplish-tipped; calyx 2-3 mm. long, the 5 teeth purplish, linear, shorter than the tube. |
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Pods sessile, linear-oblong in outline, strongly curved, membranous, 1.5-2 cm. long and 3-4 mm thick, cordate and 2-celled in cross section due to the complete intrusion of the lower suture. |
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| April-June |
May-June |
| Sagebrush deserts, sandy barrens and lower foothills. |
Gravel bars, alluvial slopes, and in thin gravelly soil overlying basaltic rock. |
Occurring east of the Cascades crest in Washington from Kittitas and Grant counties south; Washington to Umatilla and Gilliam Counties, Oregon.
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Known historically from Klickitat County in Washington, but now thought to be extirpated; Klickitat County, Washington to Wheeler and Grant counties in Oregon.
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| Native |
Native |
| Not of concern |
Presumed extirpated in Washington (WANHP) |
A. agrestis, A. alpinus, A. arrectus, A. arthuri, A. arthurii, A. asotinensis, A. australis, A. beckwithii, A. canadensis, A. caricinus, A. cicer, A. collinus, A. columbianus, A. conjunctus, A. cusickii, A. diaphanus, A. eucosmus, A. falcatus, A. filipes, A. geyeri, A. hoodianus, A. howellii, A. inflexus, A. kentrophyta, A. laxmannii, A. leibergii, A. lentiginosus, A. lyallii, A. microcystis, A. misellus, A. miser, A. pulsiferae, A. purshii, A. reventiformis, A. reventus, A. riparius, A. robbinsii, A. sclerocarpus, A. sheldonii, A. sinuatus, A. spaldingii, A. speirocarpus, A. tenellus, A. tweedyi, A. whitneyi |
A. agrestis, A. alpinus, A. arrectus, A. arthuri, A. arthurii, A. asotinensis, A. australis, A. beckwithii, A. canadensis, A. caricinus, A. cicer, A. collinus, A. columbianus, A. conjunctus, A. cusickii, A. eucosmus, A. falcatus, A. filipes, A. geyeri, A. hoodianus, A. howellii, A. inflexus, A. kentrophyta, A. laxmannii, A. leibergii, A. lentiginosus, A. lyallii, A. microcystis, A. misellus, A. miser, A. pulsiferae, A. purshii, A. reventiformis, A. reventus, A. riparius, A. robbinsii, A. sclerocarpus, A. sheldonii, A. sinuatus, A. spaldingii, A. speirocarpus, A. succumbens, A. tenellus, A. tweedyi, A. whitneyi |
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OR
WA
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
