Cordylanthus nidularius |
Cordylanthus pilosus |
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bird-on-nest, Mount Diablo bird's-beak, Mt. Diablo bird's-beak |
hairy bird's-beak |
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Stems | decumbent, 5–10(–15) cm, glandular-puberulent and pilose. |
erect or ascending, 10–90(–120) cm, densely puberulent and glandular-puberulent, and pilose. |
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Leaves | glandular-puberulent and pilose; proximal 10–30 mm, margins entire or 3-lobed, lobes 1–2 mm wide; distal 10–20 × 1 mm, margins entire. |
puberulent and pilose; proximal 15–40 mm, margins 3-lobed, lobes 0.1–0.5 mm wide; distal 10–25 × 0.1–0.3 mm, margins entire. |
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Inflorescences | spikes, 2- or 3-flowered, or flowers solitary; bracts 2 or 3, 10–15 mm, margins 3-lobed, lobes purple distally, linear to filiform. |
spikes, 2- or 3-flowered, or flowers solitary; bracts 1–4, 10–20 mm, margins entire or 3-lobed, lobes green or purple distally, linear-lanceolate. |
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Pedicels | bracteoles 10–15 mm, margins entire. |
bracteoles 15–20 mm, margins entire or toothed. |
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Flowers | calyx 10–16 mm, tube 0 mm, apex entire; corolla white with purple veins, 10–15 mm, throat 5–7(–9) mm diam., abaxial lip 3–5 mm, ca. equal to and appressed to adaxial; stamens 4, filaments hairy, fertile pollen sacs 2 per filament, equal. |
calyx 15–20 mm, tube 0–1 mm, apex 2-fid, cleft 0.5–1 mm; corolla pale yellow to yellow-green, streaked and spotted with maroon, 15–20 mm, tube 5–10 mm, throat 5–8 mm diam., abaxial lip 5–10 mm, ca. equal to and appressed to adaxial; stamens 4, filaments hairy, fertile pollen sacs 2 per filament, equal. |
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Capsules | oblong-ovoid, 5–7 mm. |
oblong-ovoid, 6–10 mm. |
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Seeds | 7–10, dark brown, ovoid to reniform, 1.5–2 mm, irregularly striate. |
10–18, dark brown, ovoid, 1.5–2.5 mm, striate. |
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2n | = 28. |
= 28. |
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Cordylanthus nidularius |
Cordylanthus pilosus |
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Phenology | Flowering Jul–Aug. | |||||
Habitat | Dry, open serpentine in chaparral. | |||||
Elevation | 600–800 m. (2000–2600 ft.) | |||||
Distribution |
CA |
CA
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Discussion | Cordylanthus nidularius is the only member of the genus with decumbent stems. The species is similar to C. tenuis; it differs in its white (versus pale yellow) corollas and decumbent (versus erect to ascending) stems. It grows on the eastern slopes of Mt. Diablo. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Subspecies 2 (2 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
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Key |
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Source | FNA vol. 17, p. 673. | FNA vol. 17, p. 674. | ||||
Parent taxa | ||||||
Sibling taxa | ||||||
Subordinate taxa | ||||||
Name authority | J. T. Howell: Leafl. W. Bot. 3: 207. (1943) | A. Gray: Proc. Amer. Acad. Arts 7: 382. (1868) | ||||
Web links |