UW Burke Herbarium species comparison

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Thalictrum pubescens

Thalictrum dasycarpum

purple meadow-rue
Habit Dioecious perennials from rhizomes, the stems 0.6-2 meters tall, usually branched above.
Leaves

Leaves alternate, chiefly cauline, the lower ones 3-5 times ternate, the leaflets ovate to obovate, 2-3 cm. long, acutely 3-lobed, the upper surface green, the lower surface pale, strongly nerved; upper leaves reduced.
Flowers

Flowers in terminal and axillary panicles;

sepal 4-5, greenish-white;

petals none;

stamens 18-25, the slender filaments 1.6-2.3 mm. long.
Fruits

Achenes about 10, oblanceolate, the body about 4 mm. long, strongly veined, narrowed to a short stipe up to 1 mm. long, the persistent style and stigma forming a beak about 3 mm. long.

Thalictrum pubescens

Thalictrum dasycarpum
Flowering time May-July
Habitat Meadowlands and moist woods.
Distribution
[WildflowerSearch map]
[BONAP county map]
Occurring in the northeastern corner of Washington; Alberta to Arizona, east to central North America.
[WildflowerSearch map]
[BONAP county map]
Origin Native
Conservation status Not of concern
Sibling taxa
T. dasycarpum, T. occidentale, T. venulosum
T. occidentale, T. venulosum
Web links 
Unless otherwise noted, all data comes from the University of Washington's Burke Herbarium.



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