Baccharis brachyphylla

A. Gray

Smithsonian Contr. Knowl. 5(6): 83. 1853

Common names: Shortleaf baccharis or false willow
Treatment appears in FNA Volume 20. Treatment on page 27. Mentioned on page 24.
Shrubs or subshrubs, 20–100 cm (finely and densely branched from bases). Stems erect, green, slender and wandlike, striate-angled, glabrate proximally, hispidulous distally (near heads). Leaves present at flowering (reduced, sparse); sessile; blades (1-nerved) linear to linear-lanceolate, 5–17 × 1–2 mm (reduced distally to subulate bracts), margins entire, apices acute, faces glabrous (sometimes minutely papillose). Heads (on racemiform lateral branches) in paniculiform arrays. Involucres funnelform or campanulate; staminate 3–5.2 mm, pistillate 4–6 mm. Phyllaries lanceolate, 1–4 mm, margins scarious, medians green (hispid), apices acute to acuminate. Staminate florets (8–)12–18(–29); corollas 3.3–4.2 mm. Pistillate florets 8–18; corollas 2–2.8 mm. Cypselae 1.5–2.5 mm, 5-nerved, hispid; pappi 4.5–7 mm. 2n = 18.

Phenology: Flowering Jul–Aug.
Habitat: Canyons, dry washes, sandy deserts, mesas
Elevation: 300–1200 m

Distribution

V20-11-distribution-map.gif

Ariz., Calif., Nev., N.Mex., Tex., Mexico (Baja California, Chihuahua, Sonora).

Discussion

Baccharis brachyphylla is characterized by the densely branching habit, narrow stems, and small, linear-lanceolate leaves, and hispidulous hairs on stems, leaves, phyllaries, and cypselae.

References

None.

Lower Taxa

No lower taxa listed.

AuthorScott D. Sundberg† + and David J. Bogler +
AuthorityA. Gray +
Common nameShortleaf baccharis or false willow +
DistributionAriz. +, Calif. +, Nev. +, N.Mex. +, Tex. +, Mexico (Baja California +, Chihuahua + and Sonora). +
Elevation300–1200 m +
HabitatCanyons, dry washes, sandy deserts, mesas +
IllustratorYevonn Wilson-Ramsey +
PhenologyFlowering Jul–Aug. +
Publication titleSmithsonian Contr. Knowl. +
Publication year1853 +
ReferenceNone +
Source xmlhttps://jpend@bitbucket.org/aafc-mbb/fna-data-curation.git/src/f6b125a955440c0872999024f038d74684f65921/coarse grained fna xml/V19-20-21/V20 11.xml +
SynonymsCompositae +
Taxon familyAsteraceae +
Taxon nameBaccharis brachyphylla +
Taxon parentBaccharis +
Taxon rankspecies +
VolumeVolume 20 +