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Perennial herb from corm, outer coat fibrous [membranous]. Leaf: basal, 1–10, linear to narrow-lanceolate. Inflorescence: scapose, generally umbel-like; scape erect, generally 1(2), cylindric, generally rigid, occasionally wavy to twining; flower bracts 2–4, not enclosing flower buds. Flower: perianth parts 6 in 2 petal-like whorls, free or ± fused below into tube; staminodes 0 or 3; stamens 3 or 6, free or fused to perianth, occasionally appendaged; ovary superior, chambers 3, ovules 2–several per chamber. Fruit: capsule, loculicidal.
10–11 genera, 60–70 species: western North America. [Pires & Sytsma 2002 Amer J Bot 89:1342–1359] —Scientific Editors: Dale W. McNeal, Thomas J. Rosatti.
Key to Themidaceae
Daughter corms often present. Leaf: generally 1–6, linear, generally crescent-shaped in ×-section, glabrous, entire, often withered at flower. Inflorescence: open; scape 2–70 cm, generally slender, generally straight, cylindric; bracts scarious; pedicels generally > flowers, generally < 13 cm. Flower: perianth tube bell- to funnel-shaped, green-white, lobes erect to spreading, violet to lavender, occasionally pink, midribs purple or green; staminodes (0)3, generally ± erect, opposite outer lobes, white to violet or lavender, lateral margins flat, incurved, or inrolled; stamens 3, equal, fused to perianth, opposite inner lobes, filaments occasionally winged or appendaged, free or fused basally to staminodes, generally not forming crown-like tube, anthers attached at base, appressed to style, abaxially papillate; style 1, stigma lobes 3, spreading and recurved. Fruit: sessile, ovoid. Seed: oblong, black, lined, angles ridged.Key to Brodiaea
± 18 species: mostly endemic to California. (James Brodie, Scottish botanist, 1744–1824) [Preston 2006 Novon 16:254–259] Several undescribed taxa, hybrids under study. Brodiaea matsonii R.E. Preston described from Shasta Co., 2010.
Unabridged references: [Preston 2006 Madroño 53:46–54; Chester et al. 2007 Madroño 54:187–198]
Inflorescence: scape 10–45 cm; pedicel <= 11 cm. Flower: perianth 21.5–35 mm, tube 7–11.5 mm, cylindric, translucent, splitting in fruit, lobes 13.5–24 mm, violet, ascending, tips recurved, outer 4.5–10.5 mm wide, inner 6.5–10.5 mm wide; staminodes leaning toward or appressed to stamens, 10–14 mm, > stamens, generally white, margins 1/2 inrolled, wavy or toothed; filaments 3–5.5 mm with 2 thread-like forked appendages at anther bases, anthers 3–6 mm; ovary 4.5–6.5 mm, style 8–11.5 mm.
n=6. Grassland, open woodland, gravelly clay soil; 8–335 m. n&c Sierra Nevada Foothills, e Great Central Valley, historically in Outer North Coast Ranges, San Francisco Bay Area. Apr–May [Online Interchange]
Previous taxon: Brodiaea
Next taxon: Brodiaea californica
Citation for the whole project: Jepson Flora Project (eds.) 2013. Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html, accessed on Jul 24 2014
Citation for this treatment: [Author of taxon treatment] 2013. Brodiaea, in Jepson Flora Project (eds.) Jepson eFlora, http://ucjeps.berkeley.edu/cgi-bin/get_IJM.pl?tid=16139, accessed on Jul 24 2014
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© 2005 Jim Dunn
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