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foothill clover, tree clover

slender clover

Habit Mostly glabrous annual with several decumbent to erect stems 1.5-5 dm. long.
Leaves

Leaves alternate, trifoliate;

stipules 1-2.5 cm. long, with entire, acuminate tips;

leaflets oblong-elliptic to oblanceolate or broader, 1-3.5 cm. long, finely denticulate the entire length, the teeth needle-like.

Flowers

Inflorescence of 10- to 50-flowered heads, the heads axillary as well as terminal, 1-2 cm. long, subglobose, without an involucre;

flowers white to purplish, 6-12 mm. long, erect but becoming reflexed as the pedicles elongate to up to 6 mm.;

calyx glabrous, about equal to the corolla, the tube 10-veined, the 5 teeth fringed, 2-3 times as long as the tube, the upper 2 much the longest.

Fruits

Pod 1-seeded

Trifolium ciliolatum

Trifolium gracilentum

Flowering time April-June April-June
Habitat Wet meadows to rather dry, sandy soil. Grassy slopes, fields, and roadsides.
Distribution
Occurring east of the Cascades crest in south-central Washington; south-central Washington to California.
[WildflowerSearch map]
[BONAP county map]
Occurring chiefly west of the Cascades crest and in the Columbia River Gorge in Washington; Washington to California, where native, and east to Arizona.
[WildflowerSearch map]
[BONAP county map]
Origin Native Introduced from California
Conservation status Not of concern Not of concern
Sibling taxa
T. albopurpureum, T. arvense, T. aureum, T. bifidum, T. campestre, T. cernuum, T. cyathiferum, T. depauperatum, T. dichotomum, T. douglasii, T. dubium, T. eriocephalum, T. fragiferum, T. glomeratum, T. gracilentum, T. hirtum, T. hybridum, T. incarnatum, T. latifolium, T. longipes, T. macrocephalum, T. microcephalum, T. microdon, T. oliganthum, T. plumosum, T. pratense, T. repens, T. resupinatum, T. retusum, T. striatum, T. subterraneum, T. suffocatum, T. thompsonii, T. variegatum, T. vesiculosum, T. willdenovii, T. wormskioldii
T. albopurpureum, T. arvense, T. aureum, T. bifidum, T. campestre, T. cernuum, T. ciliolatum, T. cyathiferum, T. depauperatum, T. dichotomum, T. douglasii, T. dubium, T. eriocephalum, T. fragiferum, T. glomeratum, T. hirtum, T. hybridum, T. incarnatum, T. latifolium, T. longipes, T. macrocephalum, T. microcephalum, T. microdon, T. oliganthum, T. plumosum, T. pratense, T. repens, T. resupinatum, T. retusum, T. striatum, T. subterraneum, T. suffocatum, T. thompsonii, T. variegatum, T. vesiculosum, T. willdenovii, T. wormskioldii
Web links