Chamaebatia foliolosa
Pl. Hartw., 308. 1849.
Plants 1–5 (–7) dm, forming extensive colonies. Stems: internodes 5–10 (–15) mm; bark reddish-brown. Leaves 3-pinnately compound; petiole 10 (–15) mm; blade obovate to obtrullate, (28–) 45–70 (–94) × (13–) 20–45 (–71) mm, surfaces moderately hirtellous, sparsely stipitate-glandular; rachises straight; pinnae (8–) 10–12 per side, oblong to oblong-obovate, (3–) 10–25 (–40) × (1.8–) 3–8 (–13) mm; pinnules (4–) 7–10 per side, oblong, (1.2–) 2.5–5 (–10) × (0.6–) 1.5–3 (–5) mm, each pinnately divided into (3–) 5–11 pairs of segments, segments oblong-obovate to obovate, (0.3–) 0.6–1.5 × (0.2–) 0.5–1 mm, terminal largest, each with terminal short-stipitate gland, adaxial rachis and rachilla with additional segments between pinnae and pinnules. Inflorescences (3–) 5–7 (–10) -flowered, panicles, 35–60 (–80) mm; peduncles 2–5 mm. Flowers: hypanthium 4–6 mm; hypanthia and sepals pubescent, stipitate-glands 0.8–1.5 mm; sepals oblong-lanceolate, 4.5–6 (–7) mm, apex acute; petals 6–9 mm; stamens 55–65 (–76); styles 5.5 mm. Achenes 4.5–5.5 mm. 2n = 18.
Phenology: Flowering Apr–Jun.
Habitat: Slopes, flats, coarse sands, yellow pine to montane conifer forests
Elevation: (300–)600–1800(–2300) m
Discussion
Chamaebatia foliolosa occurs on the western slope of the Sierra Nevada and into the Cascade Range, from Shasta to Inyo and Kern counties.
Selected References
None.