Castilleja exserta var. venusta

(A. Heller) J. M. Egger

Phytologia 90: 70. 2008.

Endemic
Basionyms: Orthocarpus venustus A. Heller Muhlenbergia 2: 141. 1906
Synonyms: Castilleja exserta subsp. venusta (A. Heller) T. I. Chuang & Heckard O. purpurascens var. ornatus Jepson
Treatment appears in FNA Volume 17. Treatment on page 607. Mentioned on page 606.

Herbs 0.4–2.3 dm. Inflorescences 2–12.5 cm; bracts: distal apices pink, light purple, or yellow or orange-spotted, 4–5.5 mm, (3–) 5 (–7) -lobed; lobes linear to narrowly spatulate, 2 × 0.8–1.2 mm. Calyces 16–19 mm; abaxial clefts 6.5–9.5 mm, adaxial 9–13 mm, clefts 40–70% of calyx length, lateral 5.5–8 mm, 34–45% of calyx length. Corollas 20–27 mm; tube 13–15 mm; beak 7–10 mm; abaxial lip deep red-purple proximally, distal 1/4 bright-yellow to yellow-orange, becoming orange or red after anthesis, 4–7 mm.


Phenology: Flowering (Mar–)Apr–May(–Jul).
Habitat: Dry sand, desert washes, creosote scrub, saltbush flats.
Elevation: 300–1500 m.

Discussion

Variety venusta is endemic to the western Mojave Desert region of southern California. Typical var. exserta is found east and west of it, in less arid grasslands. In var. venusta, the corolla is consistently different in color pattern and intensity from var. exserta.

Selected References

None.

Lower Taxa

None.

"rounded" is not a number."adaxial" is not a number. "length" is not a number.

0.65 cm6.5 mm <br />0.0065 m <br /> (0.95 cm9.5 mm <br />0.0095 m <br />) +
red +, orange +, bright-yellow +  and yellow-orange +
0.4 cm4 mm <br />0.004 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
lateral +  and deeper +
0.9 cm9 mm <br />0.009 m <br /> (1.3 cm13 mm <br />0.013 m <br />) +
Rounded (?) +  and Acute (?) +
J. Mark Egger +, Peter F. Zika +, Barbara L. Wilson +, Richard E. Brainerd +  and Nick Otting +
(A. Heller) J. M. Egger +
Orthocarpus venustus +
0.7 cm7 mm <br />0.007 m <br /> (1 cm10 mm <br />0.01 m <br />) +
not +, leathery +  and fleshy +
white;light purple;magenta;lavender;pink;wwhite;light purple;magenta;lavender;pink;white;brownish purple;white;light purple;magenta;lavender;pink;white;brownish purple;white;light purple;magenta;lavender;pink;white;brownish purple;white;light purple;magenta;lavender;pink;white;brownish purple;white;light purple;magenta;lavender;pink;white;brownish purple;white;light purple;magenta;lavender;pink;white;brownish purple;white;light purple;magenta;lavender;pink;white;brownish purple;dark purple;greenishwhite;brownish purple;dark purple;greenish +
(3-)5(-9)-lobed +, lanceolate +  and elliptic or narrowly ovate +
2-lobed +, lobed +  and tubular +
1.6 cm16 mm <br />0.016 m <br /> (1.9 cm19 mm <br />0.019 m <br />) +
taprooted;fibrous-rooted or rhizomatous +
fleshy +  and woody +
adaxial +  and length +
0.55 cm5.5 mm <br />0.0055 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
purple +, pink +, red +, orange +, yellow +, white +, green +  and pale greenish +
2 cm20 mm <br />0.02 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
(3-)5(-7)-lobed +
0.4 cm4 mm <br />0.004 m <br /> (0.55 cm5.5 mm <br />0.0055 m <br />) +
aging +  and purple spots +
300–1500 m. +
spreading-hairy +  and glabrous +
2 +  and 1 +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
Dry sand, desert washes, creosote scrub, saltbush flats. +
much-branched +, unbranched +  and eglandular +
stipitate-glandular +
axillary +  and terminal +
2 cm20 mm <br />0.02 m <br /> (12.5 cm125 mm <br />0.125 m <br />) +
spiral +, whorled +, alternate +  and opposite +
5 cm50 mm <br />0.05 m <br /> (7.7 cm77 mm <br />0.077 m <br />) +
purple +  and brownish +
deciduous +
basal +  and cauline +
ovate;orbicular +
1 cm10 mm <br />0.01 m <br /> (5 cm50 mm <br />0.05 m <br />) +
not fleshy +
2 cm20 mm <br />0.02 m <br /> (?) +
above mid lobes +, arising +, ascending +  and spreading +
3 +, 2 +  and 4 +
linear +  and narrowly spatulate +
subequal +
0.8mm;1.2mm +
villous-hairy +
(0-)3-9(-11)-lobed +  and plane +
short-stipitate-glandular +
tenuinucellate +  and unitegmic +
campylotropous-like +
Flowering (Mar–)Apr–May(–Jul). +
0.3 cm3 mm <br />0.003 m <br /> (0.9 cm9 mm <br />0.009 m <br />) +
0.3 cm3 mm <br />0.003 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
20 +  and 100 +
trapezoidal +, oblong-ovoid +, pyramidal +  and ovoid +
non-secund +  and secund +
elongate +
subequal +
branched +  and unbranched +
sprawling +  and prostrate +
aerial +  and subterranean +
erect +  and ascending +
not fleshy +
2-lobed +  and entire +
Castilleja exserta subsp. venusta +  and O. purpurascens var. ornatus +
Castilleja exserta var. venusta +
Castilleja exserta +
variety +
yellow +  and white +
shallow;deep +
reduced +
1.3 cm13 mm <br />0.013 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +