Crepis pulchra

Linnaeus
Sp. Pl. 2: 806. 1753.
Common names: Smallflower hawksbeard
IntroducedIllustrated
Treatment appears in FNA Volume 19. Treatment on page 234. Mentioned on page 223.

Annuals, 5–100 cm (taproots slender). Stems 1, erect, simple, proximally hispid and stipitate-glandular (viscid), distally glabrous. Leaves basal and cauline; petiolate; blades oblanceolate or runcinate, 1–24 × 1–5 cm, (bases attenuate) margins deeply pinnately lobed to denticulate (lobes triangular, terminal lobes largest), apices obtuse to acute, faces densely stipitate-glandular (viscid). Heads 10–40, in loose, corymbiform arrays. Calyculi of 5–7, ovate or lanceolate, glabrous bractlets 1–2 mm. Involucres cylindric (turbinate in fruit), 8–12 × 3–5 mm. Phyllaries 10–14, (green medially) lanceolate, 8–10 mm, (bases strongly keeled and thickened, margins scarious), apices acute, faces glabrous. Florets 15–30; corollas light yellow, 5–12 mm. Cypselae (monomorphic or dimorphic) green to yellowish brown, subcylindric, outer 5–6 mm, inner 4–5 mm, apices attenuate (not beaked), ribs 10–12; pappi dusky white (very fine, fluffy), 4–5 mm. 2n = 8.


Phenology: Flowering Apr–Aug.
Habitat: Dry open habitats, rolling grasslands, pastures, abandoned fields, waste areas, railroads, roadsides
Elevation: 0–3000 m

Distribution

V19-303-distribution-map.gif

Introduced; Ont., Ala., Ark., D.C., Ga., Ill., Ind., Ky., La., Md., Miss., Mo., N.C., Ohio, Okla., Oreg., S.C., Tenn., Tex., Va., W.Va., Eurasia.

Discussion

Crepis pulchra is identified by its annual habit; solitary, erect, glandular, and viscid stems; narrowly oblanceolate, runcinate, hispid leaves with relatively large terminal segments; glabrous and strongly keeled phyllaries; sometimes dimorphic cypselae; and fluffy, dusky white pappi.

Selected References

None.

Lower Taxa

None.

... more about "Crepis pulchra"
David J. Bogler +
Linnaeus +
Smallflower hawksbeard +
Ont. +, Ala. +, Ark. +, D.C. +, Ga. +, Ill. +, Ind. +, Ky. +, La. +, Md. +, Miss. +, Mo. +, N.C. +, Ohio +, Okla. +, Oreg. +, S.C. +, Tenn. +, Tex. +, Va. +, W.Va. +  and Eurasia. +
0–3000 m +
Dry open habitats, rolling grasslands, pastures, abandoned fields, waste areas, railroads, roadsides +
Flowering Apr–Aug. +
Introduced +  and Illustrated +
Undefined tribe Lactuceae +
Crepis pulchra +
species +