Cordylanthus tenuis subsp. pallescens

(Pennell) T. I. Chuang & Heckard

Syst. Bot. Monogr. 10: 55. 1986.

Common names: Pale bird’s-beak
EndemicConservation concern
Basionyms: Cordylanthus pallescens Pennell Proc. Acad. Nat. Sci. Philadelphia 99: 197. 1947
Treatment appears in FNA Volume 17. Treatment on page 677. Mentioned on page 676.

Stems sparsely puberulent and/or glandular-puberulent and, often, pilose. Leaves yellow-green, entire or 3-lobed, lobes linear to linear-lanceolate. Inflorescences 4–6-flowered; bracts yellow-green, 3-lobed or entire, sparsely pilose with long hairs. Flowers: corolla 10–15 mm. 2n = 28.


Phenology: Flowering Jun–Sep.
Habitat: Open volcanic alluvium.
Elevation: 900–1200 m.

Discussion

Subspecies pallescens grows in Siskiyou County near Black Butte and the town of Weed (B. L. Wilson et al. 2014). It is similar to subsp. viscidus, differing in its yellow-green color and inflorescences with four to six pale flowers.

Lower Taxa

None.

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 +
(Pennell) T. I. Chuang & Heckard +
Cordylanthus pallescens +
not leathery +  and not fleshy +
yellow-green +
entire +  and 3-lobed +
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 />) +
Pale 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 /> (4 cm40 mm <br />0.04 m <br />) +
0.3mm +  and 2mm +
900–1200 m. +
2 +  and 1 +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
Open volcanic alluvium. +
axillary +  and terminal +
yellow-green +
deciduous +
glabrous +, pilose +  and puberulent +
3-lobed;entire +
purple +  and green +
linear +  and linear-lanceolate +
0.5mm;1mm +
toothed +, entire +  and 3-lobed +
tenuinucellate +  and unitegmic +
campylotropous-like +
Flowering Jun–Sep. +
2 cm20 mm <br />0.02 m <br /> (6 cm60 mm <br />0.06 m <br />) +
Syst. Bot. Monogr. +
wilson2014a +
6 +  and 16 +
ovoid +  and rhomboid +
Endemic +  and Conservation concern +
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 subsp. pallescens +
Cordylanthus tenuis +
subspecies +
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 /> (?) +