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2. Hazardia stenolepis (H. M. Hall) Hoover, Vasc. Pl. San Luis Obispo Co. 296. 1970.
Serpentine bristleweed
Haplopappus squarrosus Hooker & Arnott subsp. stenolepis H. M. Hall, Publ. Carnegie Inst. Wash. 389: 253, fig. 89. 1928
Shrubs, 30–100 cm. Stems sparsely short-hispidulous. Leaves sessile; blades obovate to oblong, 15–25 × 5–12 mm, coriaceous, bases subclasping, margins coarsely spinulose-dentate or -serrate (with 5–11 pairs of teeth), faces glabrous. Heads in densely spiciform arrays. Involucres cuneate to very narrowly turbinate, 10–17 × 3–6 mm. Phyllaries stiffly erect, almost completely stramineous, linear-lanceolate, faces glabrous except minutely gland-dotted at tips. Ray florets 0. Disc florets 4–8(–10); corollas 7–9 mm. Cypselae 5–8 mm, glabrous. 2n = 10.
Flowering Sep–Nov. Oak-pine woods; 150–2000 m; Calif.; Mexico (Baja California).
Hazardia stenolepis is distinguished by its hairy stems, glabrous, relatively small leaves, discoid heads, and long, narrow involucres with stramineous, linear-lanceolate phyllaries.
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