Bartlettia

A. Gray

Pl. Nov. Thurb., 323. 1854

Etymology: For John Russell Bartlett, 1805–1886, United States Commissioner of the U.S.-Mexico Boundary Survey
Treatment appears in FNA Volume 21. Treatment on page 378. Mentioned on page 364, 365, 395.
Annuals, mostly 5–25 cm. Stems erect to spreading, branched from bases. Leaves mostly basal; subopposite or alternate; petiolate; blades ± deltate to elliptic, sometimes 3-lobed, ultimate margins ± serrate, faces sparsely hirsute or glabrate. Heads radiate, borne singly. Involucres turbinate to hemispheric, mostly 7–9 mm diam. Receptacles convex, knobby, epaleate. Phyllaries 8–22 in 2–3 series (lanceolate to linear, unequal, glandular-puberulent and sparsely strigose). Ray florets 5–13, pistillate, fertile; corollas golden yellow. Disc florets 30–90, bisexual, fertile; corollas yellow, sometimes suffused with purple, tubes (slender) longer than funnelform throats, lobes 5, spreading, deltate (style-branch apices truncate, penicillate). Cypselae obcompressed (each shed with subtending, linear, membranous scale, scales sometimes interpreted as paleae), margins ciliate; pappi fragile, of 17–22 bristles. x = 11.

Distribution

sw United States, Mexico.

Discussion

Species 1.

Selected References

None.

Lower Taxa

Facts about "Bartlettia"
AuthorJohn L. Strother +
AuthorityA. Gray +
Distributionsw United States + and Mexico. +
EtymologyFor John Russell Bartlett, 1805–1886, United States Commissioner of the U.S.-Mexico Boundary Survey +
Illustration copyrightFlora of North America Association +
IllustratorBarbara Alongi +
Publication titlePl. Nov. Thurb., +
Publication year1854 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f50eec43f223ca0e34566be0b046453a0960e173/coarse grained fna xml/V19-20-21/V21 952.xml +
SynonymsUndefined (tribe Undefined) subtribe Bahiinae + and Undefined (tribe Undefined) subtribe Palafoxiinae +
Taxon familyAsteraceae +
Taxon nameBartlettia +
Taxon parentAsteraceae (tribe Heliantheae) subtribe Chaenactidinae +
Taxon rankgenus +
VolumeVolume 21 +