Orobanche californica subsp. feudgei

(Munz) Heckard

Madroño 22: 62. 1973.

Illustrated
Basionyms: Orobanche grayana var. feudgei Munz Bull. Torrey Bot. Club 57: 616, plate 38, fig. 8. 1931
Synonyms: Aphyllon californicum subsp. feudgei (Munz) A. C. Schneider
Treatment appears in FNA Volume 17. Treatment on page 481. Mentioned on page 478, 479.

Plants usually simple proximally, 10–30 (–40) cm, portion proximal to inflorescence (6–) 10–18 cm, stout. Inflorescences corymbs, sometimes subcorymbose or subcapitate racemes, sometimes racemose, 4–12 cm; bracts pallid to pinkish tinged, drying brown. Pedicels 5–15 (–20) mm. Calyces 16–22 mm, lobes pallid, sometimes tinged with reddish purple or reddish-brown, linear-subulate, (12–) 15–20 mm. Corollas pallid or yellow distally, sometimes pinkish tinged, often with darker veins, 25–35 mm; tube broad, gradually widening toward throat; throat 8–10 mm wide; lips (8–) 10–12 mm, abaxial lobes narrowly oblong, 5–7 mm wide, apex subacute or obtuse, sometimes shallowly retuse, adaxial lobes broadly oblong and rounded, apex sometimes emarginate or shallowly retuse. 2n = 48.


Phenology: Flowering May–Jul.
Habitat: Washes, open sagebrush flats and slopes.
Elevation: 800–2600 m.

Distribution

Calif., Mexico (Baja California)

Discussion

Subspecies feudgei occurs from the Piute Mountains of Kern County and the vicinity of Mount Pinos in Ventura County, California, south to the Sierra San Pedro Mártir in Baja California.

Subspecies feudgei is apparently host-specific on Artemisia tridentata (Asteraceae).

Plants with the morphological features defining subsp. feudgei correlate fairly well with a distinct ecology and geography. The geographical area occupied by subsp. feudgei coincides with the southeastern portion of the range of Orobanche californica.

L. R. Heckard (1973) noted the morphological similarities of subsp. feudgei to Orobanche corymbosa.

Selected References

None.

Lower Taxa

None.

0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (1.8 cm18 mm <br />0.018 m <br />) +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
rounded +  and oblong +
glabrous +  and villous +
glandular-pubescent +
Retuse (?) +, Emarginate (?) +, Obtuse (?) +  and Subacute (?) +
L. Turner Collins +, Alison E. L. Colwell +  and George Yatskievych +
(Munz) Heckard +
enlarged +
Orobanche grayana var. feudgei +
oblong;lanceolate;oblong;lanceolate;deltate;triangular;ovate +
0.4 cm4 mm <br />0.004 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
not leathery +, not +  and fleshy +
brown;pallid;pinkish tinged +
appressed +  and spreading +
less lanceolate +  and oblanceolate +
2 cm20 mm <br />0.02 m <br /> (2.7 cm27 mm <br />0.027 m <br />) +
pallid +  and dark purple pink yellow or white +
divided +
1.6 cm16 mm <br />0.016 m <br /> (2.2 cm22 mm <br />0.022 m <br />) +
ovoid;cylindric-ovoid +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
5 cm50 mm <br />0.05 m <br /> (5.5 cm55 mm <br />0.055 m <br />) +
pinkish tinged +, yellow +  and pallid +
Bent (?) +  and Tubular (?) +
constricted +
2.5 cm25 mm <br />0.025 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
spikelike +
Calif. +  and Mexico (Baja California) +
800–2600 m. +
pubescent +  and glabrous +
indehiscent +, septicidal +, loculicidal +  and dehiscence +
Washes, open sagebrush flats and slopes. +
6 cm60 mm <br />0.06 m <br /> (10 cm100 mm <br />0.1 m <br />) +
axillary +  and terminal +
10 cm100 mm <br />0.1 m <br /> (18 cm180 mm <br />0.18 m <br />) +
branched +  and simple +
pallid cream +  and nearly white +
deciduous +
0.8 cm8 mm <br />0.008 m <br /> (1 cm10 mm <br />0.01 m <br />) +
cream +  and pinkish or purplish tinged or pink +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
1.2 cm12 mm <br />0.012 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
, +, tinged with reddish purple or tinged with reddish-brown +  and pallid +
loosely ascending +  and recurved +
glandular-pubescent +
linear-subulate +
erosulate +  and entire +
lobed +, toothed +  and entire +
tenuinucellate +  and unitegmic +
campylotropous-like +
spikelike +
1.5 cm15 mm <br />0.015 m <br /> (2 cm20 mm <br />0.02 m <br />) +
0.5 cm5 mm <br />0.005 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
Flowering May–Jul. +
racemose +  and subcorymbose +
spikelike +
4 cm40 mm <br />0.04 m <br /> (12 cm120 mm <br />0.12 m <br />) +
branched +  and unbranched +
inconspicuous +
coralloid +
stout +  and slender +
500 +  and 2000 +
prismatic +, ovoid +  and oblong-ellipsoid +
5 +  and 4 +
Illustrated +
subequal +
yellow +  and white +
aerial +  and subterranean +
capitate +  and crateriform-peltate +
clavate +  and 2-4-lobed +
Aphyllon californicum subsp. feudgei +
Orobanche californica subsp. feudgei +
Orobanche californica +
subspecies +
8mm;10mm +
cream;pinkish or purplish tinged or pink +
glandular-puberulent +
constricted +
widening +  and broad +
perennial +  and annual +
holoparasitic +  and hemiparasitic +
stout +  and slender +