Marah gilensis

(Greene) Greene

Leafl. Bot. Observ. Crit. 2: 36. 1910.

Common names: Gila manroot
Basionym: Megarrhiza gilensis Greene Bull. Torrey Bot. Club 8: 97. 1881
Treatment appears in FNA Volume 6. Treatment on page 23. Mentioned on page 22.

Leaf blades deeply 5–7-lobed, 4–10 cm wide, surfaces not glaucous. Flowers: sepals (pistillate) vestigial; petals 3–4 mm (pistillate) or 3–3.5 mm (staminate), corolla white, rotate; staminodia present but very inconspicuous in pistillate flowers. Capsules yellowish green, globose to subglobose or short-ellipsoid, 2.5–3 cm, surface densely echinate, spinules rigid, 2–3(–5) mm. Seeds 2–4, ovate to suborbiculate, slightly compressed, 10–12 mm. 2n = 30.


Phenology: Flowering (Dec–)Feb–Apr.
Habitat: Desert flats and washes, stream beds, canyon bottoms and slopes, desert scrub, chaparral, oak, riparian zones
Elevation: (500–)600–1500 m

Distribution

V6 30-distribution-map.jpg

Ariz., N.Mex., Mexico (Sonora).

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Marah gilensis"
Guy L. Nesom +
(Greene) Greene +
Megarrhiza gilensis +
Gila manroot +
Ariz. +, N.Mex. +  and Mexico (Sonora). +
(500–)600–1500 m +
Desert flats and washes, stream beds, canyon bottoms and slopes, desert scrub, chaparral, oak, riparian zones +
Flowering (Dec–)Feb–Apr. +
Leafl. Bot. Observ. Crit. +
Marah gilensis +
species +