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

Trifolium willdenovii Spreng.
tomcat clover (sand clover)
Fabaceae (Pea family)

Introduction to Vascular Plants

© Deborah Freeman  Email the photographer   (Photo ID #21672)

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Distribution of Trifolium willdenovii
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Introduction

Name change 2015, Trifolium willdenowii to Trifolium willdenovii.

Species Information

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General:
Annual herb from a taproot; stems 1 to several, spreading to erect, glabrous, 10-70 cm long/tall.
Leaves:
Alternate, palmately compound; leaflets 3, linear to lance-oblong or elliptic, 1-4 cm long, the margins usually finely bristle-toothed; stipules egg-shaped, bristle-tipped, the upper jaggedly toothed, 1/3-1/2 as long as the leaflets.
Flowers:
Inflorescence a head-like, stalked, axillary cluster of 6 to 60 pea-like flowers, the heads 1-3 cm wide, set in wheel-like, irregularly and jaggedly toothed involucres; corollas lavender to purple, 10-13 mm long; calyces 6-10 mm long, shiny and often purplish, the tube 15- to 25-veined, the lanceolate teeth slightly shorter than the tube, bristle-tipped, entire or with 2 teeth flanking the base of the bristle.
Fruits:
Pods; seeds 1 to 2.

Source: The Illustrated Flora of British Columbia

Habitat / Range

Mesic to dry meadows and grassy slopes in the lowland zone; locally frequent on SE Vancouver Island, the Gulf Islands and adjacent mainland; S to CA.

Source: The Illustrated Flora of British Columbia

Synonyms and Alternate Names

Trifolium tridentatum Lindl.
Trifolium tridentatum var. aciculare (Nutt.) McDermott
Trifolium willdenowii Spreng., orth. var.

Taxonomic and Nomenclatural Links

Additional Photo Sources

Species References

Griffiths, Anthony J. F. and Fred R. Ganders. 1983. Wildflower Genetics: A Field Guide for British Columbia and the Pacific Northwest. Flight Press, Vancouver.

General References