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FNA | Family List | FNA Vol. 21 | Asteraceae | Lasthenia

1a. Lasthenia californica de Candolle ex Lindley subsp. bakeri (J. T. Howell) R. Chan, Madroño. 48: 208. 2002.

Baker’s goldfields

Baeria bakeri J. T. Howell, Leafl. W. Bot. 1: 7. 1932; B. macrantha (A. Gray) A. Gray var. bakeri (J. T. Howell) D. D. Keck; Lasthenia macrantha (A. Gray) Greene subsp. bakeri (J. T. Howell) Ornduff

Perennials (sometimes flowering first year). Roots fleshy, clustered. Stems erect, branched distally, ± hairy. Leaves mostly basal; blades linear to oblong, 20–210 × 1–2+ mm, not fleshy, margins entire, faces glabrous or ± hairy. Involucres campanulate to depressed-hemispheric, 9–14 mm. Phyllaries ± persistent, 13–16 in 2 series, elliptic to ovate. Ray florets 8–16; laminae elliptic to oblong, 5–16 mm. Anther appendages deltate to sublanceolate. Cypselae silver-gray, linear to narrowly clavate, to 4 mm, glabrous; pappi 0, or of 1–4 translucent, brown, subulate, aristate scales (sometimes variable or 0 within heads). 2n = 48.

Flowering year round (mostly May–Jun). Grasslands, woodlands, coastal; of conservation concern; 0–500 m; Calif.

Subspecies bakeri is found along the coast in central California. Its most distinctive feature is its fleshy, clustered roots.


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