Marah horrida

(Congdon) Dunn

Bull. Misc. Inform. Kew 1913: 151. 1913.

Common names: Sierran manroot
Endemic
Basionym: Echinocystis horrida Congdon Erythea 7: 184. 1900
Treatment appears in FNA Volume 6. Treatment on page 25. Mentioned on page 23.

Leaf-blades deeply 5–7-lobed, 10–15 cm wide. Flowers: sepals (pistillate) filiform, 1 mm; petals 7–9 mm (pistillate) or 5–7 mm (staminate), corolla white, deeply cupulate to campanulate or campanulate-rotate; staminodia present in pistillate flowers. Capsules yellowish green to orange-yellow at maturity, short-ellipsoid to oblong, 9–15 (–20) cm, surface densely echinate, spinules rigid, 5–35 mm. Seeds 6–16 (–24), oblong to oblanceolate or ovate, flat at one end, slightly compressed, 26–32 mm.


Phenology: Flowering Feb–Apr(–May).
Habitat: Canyons, open ridges, shrubby and open areas, pine, oak, and pine-oak woodlands, stream sides, roadsides
Elevation: 300–1200(–1600) m

Discussion

Marah horrida is distributed from Los Angeles County to El Dorado County in the California Sierra Madre.

Selected References

None.

Lower Taxa

None.

No values specified.

... more about "Marah horrida"
distinct +  and connate +
Guy L. Nesom +
(Congdon) Dunn +
Echinocystis horrida +
suborbiculate;shallowly deeply palmately 5(-7)-lobed +
tubular +, saucer--shaped +, campanulate +  and rotate +
yellowish green +  and orange-yellow +
Sierran manroot +
deeply cupulate;campanulate or campanulate-rotate +
300–1200(–1600) m +
furrowed +  and echinate +
dehiscent +  and indehiscent +
bristly +, smooth +, hairy +  and glabrous +
tuberculate +  and muricate +
fleshy +  and hard +
thin-walled +  and moderately sparsely or densely echinate +
short-beaked +  and symmetric +
green-striped;yellowish green;orange-yellow +
globose +  and subglobose or depressed-globose short-ellipsoid ovoid or oblong +
Canyons, open ridges, shrubby and open areas, pine, oak, and pine-oak woodlands, stream sides, roadsides +
perennial +
dioecious +  and monoecious +
campanulate;cupulate +
umbellate;subumbellate +
solitary +, corymbose +, fasciculate +, racemose +  and paniculate +
petiolate +, estipulate +  and simple +
deltate;oblong-ovate or ovate +
remotely +  and entire +
dentate-lobulate +
differentiated +
ovoid;globose +
induplicate-valvate +  and imbricate +
1 cm10 mm <br />0.01 m <br /> (1.2 cm12 mm <br />0.012 m <br />) +
greenish;greenish yellow;cream-yellow;greenish yellow;cream-yellow;white +
glandular-villous +
triangular;ovate or oblong-ovate +
Flowering Feb–Apr(–May). +
Bull. Misc. Inform. Kew +
globose;fusiform +
not arillate +
compressed +, oblong +  and oblanceolate or ovate +
2.6 cm26 mm <br />0.026 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
filiform +
1 cm10 mm <br />0.01 m <br /> (?) +
0.5 cm5 mm <br />0.005 m <br /> (3.5 cm35 mm <br />0.035 m <br />) +
climbing +  and procumbent +
sprawling +  and prostrate +
discoid +  and subglobose +
Marah horrida +
species +
2-3-branched +  and unbranched +
not fused +
plant +  and climbing +
dioecious +  and monoecious +