E-Flora BC: Electronic Atlas of the Flora of British Columbia

Trifolium dichotomum Hook. & Arn.
Macrae's clover (Macrae's clover)
Fabaceae (Pea family)

Introduction to Vascular Plants

© Ryan Batten  Email the photographer   (Photo ID #29491)

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Distribution of Trifolium dichotomum
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Species Information

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Annual herb from a taproot; stems 1 to several, decumbent to erect, 10-30 cm long/tall, unbranched, long-hairy.
Alternate, palmately compound; leaflets 3, oblanceolate to heart-shaped, rounded or notched at the tip, 1-2 cm long, coarsely toothed their entire length; stipules egg-shaped, 5-10 mm long, toothed, the tips long-pointed.
Inflorescence a dense, egg- or globe-shaped, unstalked, head of 10 to 60 pea-like flowers, the heads usually paired, 1-2 cm long, lacking involucres; corollas purple (pink to white), 5-9 mm long; calyces densely long-hairy, 5-8 mm long, the awl-shaped teeth usually much longer than the tube, the tube 10- to 30-veined.
Pods; seeds 1.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry slate cliffs or talus, sandstone shale, and open, grassy sites in the lowland zone; rare on SE Vancouver Island and adjacent Gulf Islands; S to C CA.

Source: The Illustrated Flora of British Columbia


The climate type for this species, as reported in the: "British Columbia plant species codes and selected attributes. Version 6 Database" (Meidinger et al. 2008), is not evaluated, unknown or variable.

Synonyms and Alternate Names

Trifolium albopurpureum var. dichotomum (Hook. & Arn.) Isely
Trifolium dichotomum var. turbinatum Jepson
Trifolium macraei Hook. & Arn.
Trifolium macraei var. dichotomum (Hook. & Arn.) W.H. Brewer ex S. Watson

Taxonomic and Nomenclatural Links

Additional Photo Sources

General References