Marah oregana
Fl. N.W. Amer., 239. 1898.
Common names: Coastal manroot
Endemic
Basionym: Sicyos oreganus Torrey & A. Gray Fl. N. Amer. 1: 542. 1840
Synonyms: Echinocystis oregana (Torrey & A. Gray) Cogniaux Megarrhiza oregana (Torrey & A. Gray) S. Watson
Leaf-blades usually shallowly, sometimes deeply 5–7-lobed, 8–20 (–35) cm wide. Flowers: sepals (pistillate) deltate to subulate or filiform, 1 mm; petals 8–10 mm (pistillate) or 5–6 mm (staminate), corolla usually white to cream, rarely greenish, cupulate to cupulate-rotate; staminodia present in pistillate flowers. Capsules usually striped dark green at maturity, short-ellipsoid to ovoid, tapered to beak, 4–6.5 (–8) cm, surface sparsely to moderately echinate (usually smooth distally), spinules weak, flexible, 3–6 mm. Seeds 3–6, orbiculate to elliptic, compressed, 16–22 mm. 2n = 32.
Phenology: Flowering (Feb–)Mar–Jun.
Habitat: Roadsides, disturbed areas, clearings, fields, dunes, open hillsides, stream sides, meadows, thickets, Douglas fir and redwood forests
Elevation: 0–800(–2000) m
Distribution
B.C., Calif., Oreg., Wash.
Discussion
Selected References
None.
Lower Taxa
None.
No values specified.
... more about "Marah oregana"
splitting +
suborbiculate;shallowly deeply palmately 5(-7)-lobed +
absent +
adnate +
Coastal manroot +
broad +
cupulate;cupulate-rotate +
straight +
berrylike +
aculeate +
connate +
vestigial +
pistillate +
5;100 +
unisexual +
green-striped;yellowish green;orange-yellow +
dehiscent +
Roadsides, disturbed areas, clearings, fields, dunes, open hillsides, stream sides, meadows, thickets, Douglas fir and redwood forests +
perennial +
campanulate;cupulate +
umbellate;subumbellate +
5-7-lobed +
8cm;20cm +
alternate +
deltate;oblong-ovate or ovate +
grooved +
dentate-lobulate +
differentiated +
(2-)4(-8)-locular +
ovoid;globose +
1;4 +
erect +
greenish;greenish yellow;cream-yellow;greenish yellow;cream-yellow;white +
connate +
1/2 +
glandular-villous +
triangular;ovate or oblong-ovate +
absent +
Fl. N.W. Amer., +
1898 +
tuberous +
globose;fusiform +
not arillate +
3;6 +
connate +
vestigial +
deltate;subulate or filiform +
1 cm10 mm <br />0.01 m <br /> (?) +
Endemic +
several +
connate +
absent +
absent +
annual +
trailing +
glabrous +
scabrous +
vestigial +
echinate +
Marah oregana +
Marah +
species +
absent +
not fused +
exalbuminous +
perennial +
trailing +