Cordylanthus nidularius

J. T. Howell

Leafl. W. Bot. 3: 207. 1943.

Common names: Bird-on-nest Mount Diablo bird’s-beak
EndemicConservation concern
Treatment appears in FNA Volume 17. Treatment on page 673. Mentioned on page 670.

Stems decumbent, 5–10 (–15) cm, glandular-puberulent and pilose. 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. Inflorescences spikes, 2-flowered or 3-flowered, or flowers solitary; bracts 2 or 3, 10–15 mm, margins 3-lobed, lobes purple distally, linear to filiform. Pedicels: bracteoles 10–15 mm, margins entire. 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. Capsules oblong-ovoid, 5–7 mm. Seeds 7–10, dark-brown, ovoid to reniform, 1.5–2 mm, irregularly striate. 2n = 28.


Phenology: Flowering Jul–Aug.
Habitat: Dry, open serpentine in chaparral.
Elevation: 600–800 m.

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.

Selected References

None.

Lower Taxa

None.

... more about "Cordylanthus nidularius"
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
rounded +  and galeate +
Kerry A. Barringer +
J. T. Howell +
not leathery +  and not fleshy +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
spathe-like +
1 cm10 mm <br />0.01 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
oblong-ovoid +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Bird-on-nest +  and Mount Diablo bird’s-beak +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
600–800 m. +
2 +  and 1 +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
Dry, open serpentine in chaparral. +
axillary +  and terminal +
3-flowered +  and 2-flowered +
deciduous +
pilose +  and glandular-puberulent +
linear +  and filiform +
1mm;2mm +
3-lobed +  and entire +
tenuinucellate +  and unitegmic +
campylotropous-like +
Flowering Jul–Aug. +
1 cm10 mm <br />0.01 m <br /> (3 cm30 mm <br />0.03 m <br />) +
Leafl. W. Bot. +
7 +  and 10 +
ovoid +  and reniform +
Endemic +  and Conservation concern +
subequal +
aerial +  and subterranean +
ascending +  and erect +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
not fleshy +
expanded +
Adenostegia +
Cordylanthus nidularius +
Cordylanthus +
species +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
0 cm0 mm <br />0 m <br /> (?) +