Chrysothamnus viscidiflorus subsp. planifolius

L. C. Anderson

Madroño 17: 223, fig. 2c. 1964.

Treatment appears in FNA Volume 20. Treatment on page 192. Mentioned on page 191.

Plants 10–25 cm. Stems glabrous (puberulous). Leaf blades ascending to spreading, green, 1-nerved, narrowly lanceolate, (10–)14–20 × 1–2 mm, flat, not twisted, margins obscurely involute, entire, not noticeably ciliate, apices cuspidate, faces glabrous. Heads in broad, rounded, corymbiform arrays. Involucres cylindric to campanulate, (4–)5–5.6 mm. Phyllaries 14–18 in 3–4 series, in spirals or weak vertical ranks, stramineous, green to brown subapical patches obscure midnerves evident distally or obscure, ± convex or weakly keeled, obovate to oblong or spatulate, unequal, margins scarious, eciliate or distally obscurely ciliolate, faces glabrous. Disc florets 3–4(–5); corollas 3.5–4.5 mm, lobes 1.4–1.7 mm. 2n = 18.

Phenology: Flowering late summer–fall.
Habitat: Dry sandy soils, sparse juniper slopes
Elevation: 1600+ m


Selected References


Lower Taxa