Trifolium eriocephalum subsp. martinii

J. M. Gillett

Canad. J. Bot. 49: 401. 1971.

Common names: Martin’s clover
Endemic
Treatment appears in FNA Volume 11.

Herbs densely villous; roots fusiform-tuberous, not rhizome­like, except by burial of the crown. Leaflet blades of basal leaves obovate, surfaces gla­brous adaxially, of median leaves narrowly lanceolate or linear, surfaces densely villous adaxially, apex rounded to retuse. Inflorescences scarcely overtopping distal leaves, 1 cm wide. Flowers: calyx lobes usually purple, con­torted, abaxial lobes longer, lateral lobes 1–1.5 times tube; corolla white, cream, or purple; ovules 3 or 4.


Phenology: Flowering May–Jul.
Habitat: Open pine forests, riverbanks, clearings, wet meadows.
Elevation: 1200–2100 m.

Distribution

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Idaho, Oreg.

Discussion

Subspecies martinii occurs in west-central Idaho and northeastern Oregon.

Selected References

None.

Lower Taxa

None.
Michael A. Vincent +  and John M. Gillett† +
J. M. Gillett +
Martin’s clover +
Idaho +  and Oreg. +
1200–2100 m. +
Open pine forests, riverbanks, clearings, wet meadows. +
Flowering May–Jul. +
Canad. J. Bot. +
Amoria +, Chrysaspis +  and Lupinaster +
Trifolium eriocephalum subsp. martinii +
Trifolium eriocephalum +
subspecies +