Crepis pulchra

Linnaeus

Sp. Pl. 2: 806. 1753

Common names: Smallflower hawksbeard
Treatment appears in FNA Volume 19. Treatment on page 234. Mentioned on page 223.
Click plate for higher resolution version.
Illustrator: Bee F. Gunn
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

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.

References

None.

Lower Taxa

No lower taxa listed.

Facts about "Crepis pulchra"
AuthorDavid J. Bogler +
AuthorityLinnaeus +
Common nameSmallflower hawksbeard +
DistributionOnt. +, 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. +
Elevation0–3000 m +
HabitatDry open habitats, rolling grasslands, pastures, abandoned fields, waste areas, railroads, roadsides +
IllustratorBee F. Gunn +
Introducedtrue +
PhenologyFlowering Apr–Aug. +
Publication titleSp. Pl. +
Publication year1753 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V19-20-21/V19 303.xml +
SynonymsUndefined tribe Lactuceae +
Taxon familyAsteraceae +
Taxon nameCrepis pulchra +
Taxon parentCrepis +
Taxon rankspecies +
VolumeVolume 19 +