Cordylanthus tenuis

A. Gray

Proc. Amer. Acad. Arts 7: 383. 1868.

Common names: Slender bird’s-beak
IllustratedEndemic
Synonyms: Adenostegia tenuis (A. Gray) Greene
Treatment appears in FNA Volume 17. Treatment on page 676. Mentioned on page 667, 670, 673.

Stems erect to ascending, 20–80 (–120) cm, glabrous or sparsely glandular-puberulent, puberulent, and/or pilose. Leaves puberulent, often pilose, or glabrous; proximal 20–60 mm, margins entire or 3-lobed, lobes 0.5–1 mm wide; distal 10–40 × 0.3–2 mm, margins entire. Inflorescences spikes, 2–7-flowered, or flowers solitary; bracts 1–4, 5–20 mm, margins entire or 3-lobed, lobes green or purple distally, narrowly lanceolate to linear-lanceolate, apex rounded. Pedicels: bracteoles 10–20 mm, margins entire or toothed. Flowers: calyx 10–20 mm, tube 0 mm, apex 2-fid, cleft 1 mm; corolla pale-yellow, marked with purple along veins and galea, 10–20 mm, throat 6–8 mm diam., abaxial lip 4–6 mm, ca. equal to and appressed to adaxial; stamens 4, filaments hairy, fertile pollen-sacs 2 per filament, equal. Capsules narrowly ovoid, 5–10 mm. Seeds 6–16, dark-brown, ovoid to rhomboid, 1.5–2.5 mm, striate.

Discussion

Subspecies 5 (5 in the flora).

Selected References

None.

Key

1 Leaf lobes filiform; stems glabrous proximally. Cordylanthus tenuis subsp. brunneus
1 Leaves or leaf lobes linear to linear-lanceolate; stems puberulent, glandular-puberulent, glandular-pubescent, and/or pilose proximally. > 2
2 Bracts densely hirsute. Cordylanthus tenuis subsp. barbatus
2 Bracts hirsute or pilose. > 3
3 Bracts entire. Cordylanthus tenuis subsp. tenuis
3 Bracts 3-lobed, sometimes entire. > 4
4 Leaves yellow-green; inflorescences 4–6-flowered. Cordylanthus tenuis subsp. pallescens
4 Leaves green to gray-green; inflorescences 1–3-flowered. Cordylanthus tenuis subsp. viscidus
... more about "Cordylanthus tenuis"
0.4 cm4 mm <br />0.004 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
rounded +  and galeate +
2-fid (?) +  and Rounded (?) +
1 cm10 mm <br />0.01 m <br /> (?) +
Kerry A. Barringer +
A. Gray +
not leathery +  and not fleshy +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
spathe-like +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
Slender bird’s-beak +
1 cm10 mm <br />0.01 m <br /> (2 cm20 mm <br />0.02 m <br />) +
1 cm10 mm <br />0.01 m <br /> (4 cm40 mm <br />0.04 m <br />) +
0.3mm +  and 2mm +
Calif. +  and Oreg. +
2 +  and 1 +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
axillary +  and terminal +
deciduous +
glabrous +, pilose +  and puberulent +
purple +  and green +
narrowly lanceolate +  and linear-lanceolate +
0.5mm;1mm +
toothed +, entire +  and 3-lobed +
tenuinucellate +  and unitegmic +
campylotropous-like +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Proc. Amer. Acad. Arts +
6 +  and 16 +
ovoid +  and rhomboid +
Illustrated +  and Endemic +
subequal +
aerial +  and subterranean +
erect +  and ascending +
20 cm200 mm <br />0.2 m <br /> (80 cm800 mm <br />0.8 m <br />) +
not fleshy +
expanded +
Adenostegia tenuis +
Cordylanthus tenuis +
Cordylanthus +
species +
0.6 cm6 mm <br />0.006 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
0 cm0 mm <br />0 m <br /> (?) +