UW Burke Herbarium species comparison

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Trifolium vesiculosum

Trifolium longipes

arrow-leaf clover

long-stalked clover
Habit Pubescent perennial from a taproot with a branched crown, the stems 5-30 cm. tall, decumbent and often trailing and stoloniferous.
Leaves

Leaves trifoliate, leaflets narrowly elliptic-lanceolate to oblanceolate, 2-6 cm. long, serrulate to entire;

stipules ovate-lanceolate, 1-3 cm. long, lacerate to entire.
Flowers

Heads terminal on the stems, 20- to 70-flowered, 1.5-3.5 cm. broad, sub-globose;

peduncles usually exceeding the leaves;

flowers creamy-yellow to purplish, 11-18 mm. long, erect to reflexed;

pedicels 1-3 mm. long;

calyx hairy, half as long as the corolla, the 5 teeth 2-4 times as long as the tube, awl-shaped, the upper 2 reduced;

banner acute, wings acute and narrow, keel acute to rounded.
Fruits

Pod 1- to 4-seeded.

Trifolium vesiculosum

Trifolium longipes
Flowering time May-July May-August
Habitat Roadsides, fields, wastelots, and other disturbed open areas. Meadows and valleys, lower mountains to subalpine slopes.
Distribution
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.
[WildflowerSearch map]
[BONAP county map]
Occurring on both sides of the Cascades crest in Washington; British Columbia to California, east to the Rocky Mountains.
[WildflowerSearch map]
[BONAP county map]
Origin Introduced from Europe Native
Conservation status Not of concern Not of concern
Sibling taxa
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. 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. 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. gracilentum, T. hirtum, T. hybridum, T. incarnatum, T. latifolium, 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
Subordinate taxa
T. longipes var. longipes, T. longipes var. multiovulatum, T. longipes var. multipedunculatum
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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