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Key to families | Table of families and genera
Specimen numbers are hyperlinked to records in the Consortium of California Herbaria data view where possible. Taxa are hyperlinked to entries in the Jepson Interchange via the "[Online Interchange]" link.
Corm ± spheric, daughter corms 1–3 on stalks. Leaf: 1–8, keeled, entire, withered in flower. Inflorescence: scape stiff, straight, cylindric, minute-scabrous; bracts 2–4, not enclosing flower buds, scarious in flower; pedicels ray-like, ascending to erect, jointed; flowers 10–35+. Flower: perianth parts ± free at base, not forming obvious tube, golden-yellow, striped ± brown or green, lobes ascending to spreading; stamens 6, filaments ± 6 mm, parallel to style, dilated bases fused to form nectar cup with shallow to awned cusps, or leaning away from style, leaving dilated bases separated, not forming cup, distally thread-like, anthers attached near base; style ± 5 mm, thread- or club-like, persistent, stigma 3-lobed. Fruit: 5–6 mm, ± spheric, 3-angled, sessile. Seed: angled, wrinkled, black-crusted.
3 species: central and southern California, northern Baja California. (H.G. Bloomer, early San Francisco botanist)
Unabridged etymology: (Dr. H.G. Bloomer, early San Francisco botanist, one of three founders of the California Academy of Sciences)
Unabridged references: [Hoover 1955 Herbertia 11:13–23; Ingram 1953 Madroño 12:19–27]
1. Filaments leaning away from style, leaving dilated bases separated, not forming cup; style <= ovary; leaves 2–8, 1–3 mm wide ..... B. clevelandii
1' Filaments parallel to style, dilated bases forming nectar cup; style > ovary; leaves 1–2, 3–15 mm wide
2. Scape 5–10 cm; perianth lobes ascending at base, gradually spreading above; leaves generally 1–2 ..... B. humilis
2' Scape 15–70 cm; perianth lobes abruptly spreading at base; leaves generally 1 ..... B. crocea
3. Nectar cup cusps < 1 mm ..... var. crocea
3' Nectar cup cusps > 1 mm
4. Nectar cup cusps 1–2 mm, < 1/2 filaments, tips acute ..... var. aurea
4' Nectar cup cusps 3–3.5 mm, ± 1/2 filaments, tips tapered ..... var. montana
Citation for the whole project: Jepson Flora Project (eds.) [year] Jepson eFlora, http://ucjeps.berkeley.edu/IJM.html [accessed on month, day, year]
Citation for an individual treatment: [Author of taxon treatment] [year]. [Taxon name] in Jepson Flora Project (eds.) Jepson eFlora, [URL for treatment]. Accessed on [month, day, year].
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