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marum-leaf wild buckwheat, mountain buckwheat
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| Dioecious perennial with a strong taproot and trailing to weakly ascending branches up to 3 dm. long. |
Scraggly, woody perennial with a few, leafy stems to 4 dm. tall, and a much-branched inflorescence with tiny, terminal flower clusters. |
Leaves alternate, numerous, 2-4 cm. long, the blade rhombic to obovate-oblanceolate, grayish-woolly beneath, tapered to a slender petiole. |
Leaves alternate, linear to oblong or narrowly obovate, 1-3 cm long, narrowed gradually to a short petiole, gray-woolly beneath and greenish but with some hairs above, crowded along the lower half of the stem. |
Inflorescence a 3- to 7-rayed umbel, from subcapitate to 5 cm. broad, subtended by a whorl of 3-7 linear-lanceolate bracts; involucres broadly top-shaped, woolly, 3 mm. long, the 5 teeth 0.5 mm. long; perianth pale to deep yellow, glabrous, 3 mm. long, with a stipitate base 0.5 mm. long; filaments bearded on the lower half. |
Inflorescence freely branching, open, flat-topped, 2-20 cm. long; involucres borne singly, 2-2.5 mm. long, with short, scarious-margined teeth; tepals top-shaped, 2-2.5 mm. long, white to pink or yellow, the rounded lobes somewhat longer than the tube, without a stipe at the base. |
Achene exceeding the perianth. |
Achene |
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The scraggly, leafy stems that are woody for about the lower third are unique among the Eriogonums in our area. |
| June-August |
June-August |
| Gravelly flats in lodgepole and ponderosa pine forests to alpine ridges and talus slopes. |
Sandy deserts to lower mountain slopes, chiefly with sagebrush. |
Reported from east of the Cascades crest in Washington, but no specimens seen; central Washington to California, east to northwestern Nevada.
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Occurring east of the Cascades crest in central Washington; central Washington to California, east to the Rocky Mountains.
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| Native |
Native |
| Review Group 1 in Washington (WANHP) |
Not of concern |
E. baileyi, E. cernuum, E. codium, E. compositum, E. douglasii, E. elatum, E. flavum, E. heracleoides, E. maculatum, E. microtheca, E. niveum, E. nudum, E. ovalifolium, E. pyrolifolium, E. sphaerocephalum, E. strictum, E. thymoides, E. umbellatum, E. vimineum |
E. baileyi, E. cernuum, E. codium, E. compositum, E. douglasii, E. elatum, E. flavum, E. heracleoides, E. maculatum, E. marifolium, E. microtheca, E. niveum, E. nudum, E. ovalifolium, E. pyrolifolium, E. sphaerocephalum, E. strictum, E. thymoides, E. umbellatum, E. vimineum |
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CA
OR
WA
Flora NW
PNW Herbaria
WildflowerSearch
iNaturalist
USDA Plants Database
