Trifolium vesiculosum
Trifolium variegatum
arrow-leaf clover
white-tip clover
Leaves trifoliate, petiolate;
leaflets obovate to elliptic oblanceolate, 5-20 mm. long, the margins sharply serrate, the serrations with needle-like tips;
stipules ovate, deeply lacerate.
Inflorescence of 3- to 40-flowered, involucrate heads 1-2 cm. broad on long axillary peduncles;
involucres flaring and saucer-shaped, irregularly lobed and lacerate about half their length;
calyx tube narrowly bell-shaped, 10-25 veined, the 5 teeth much longer than the tube, narrow and bristle-tipped;
corolla pea-like, 5-20 mm. long, slightly longer than the calyx, purplish, often white-tipped, aging to purplish-brown.
Pod 1-2 seeded, usually rupturing the calyx.
Trifolium vesiculosum
Trifolium variegatum
Occurring in a few locations west of the Cascades crest in lowland western Washington; Washington to California; also in the south-central and southeastern U.S.
Widely distributed throughout much of Washington; Alaska south to California, east to Montana, Wyoming, Utah, and Arizona.
- Local floras:
CA, 
OR, 
WA - Local Web sites: CalFlora, CalPhotos,
Flora NW, 
PNW Herbaria 
WildflowerSearch
iNaturalist (observations)
USDA Plants Database- LBJ Wildflower Center
- SEINet
- Plants of the World Online
- Encyclopedia of Life
- Wikipedia
- Google Image Search
- Local floras:
BC, CA, OR, WA - Local Web sites: CalFlora, CalPhotos, Flora NW, PNW Herbaria, Turner Photog.
- WildflowerSearch
- iNaturalist (observations)
- USDA Plants Database
- LBJ Wildflower Center
- SEINet
- Plants of the World Online
- Encyclopedia of Life
- Wikipedia
- Google Image Search
