Chondrilla juncea L.
skeleton-weed (rush skeletonweed)
Asteraceae (Aster family)

Introduction to Vascular Plants


© Thayne Tuason     (Photo ID #76395)


E-Flora BC Static Map

Distribution of Chondrilla juncea
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Species Information

Perennial herb from a taproot; stems rushlike with milky juice, much branched, spreading, stiff-hairy near the base, 0.4-1.0 m tall.
Basal and lower stem leaves sharply cleft or pinnately cut, with backward pointing segments, wing-stalked, 5-13 cm long, 1.5-3.5 cm wide, soon deciduous; middle and upper stem leaves alternate, reduced, linear.
Heads with strap-shaped flowers, cylindric, scattered along the branches; involucres 9-12 mm tall; involucral bracts about 8, linear-lanceolate, glabrous or sparsely woolly-hairy, in 2 series, the outer ones few and reduced; ray flowers yellow, 9-12; disk flowers lacking.
Achenes multinerved, about 3 mm long with a circle of small scales at the base of the long, slender beak; pappus of numerous, white, hairlike bristles.

SourceThe Illustrated Flora of British Columbia


If more than one illustration is available for a species (e.g., separate illustrations were provided for two subspecies) then links to the separate images will be provided below. Note that individual subspecies or varietal illustrations are not always available.

Habitat and Range

Dry grasslands, roadsides and waste places in the steppe zone; rare in SC BC; introduced from Eurasia.

SourceThe Illustrated Flora of British Columbia