Mortonia utahensis

(Coville ex Trelease) A. Nelson

Bot. Gaz. 47: 427. 1909.

Common names: Utah mortonia
Endemic
Basionym: Mortonia scabrella var. utahensis Coville ex Trelease in A. Gray et al. Syn. Fl. N. Amer. 1(1,2): 400. 1897
Treatment appears in FNA Volume 12. Treatment on page 129. Mentioned on page 128.

Shrubs 0.3–1.2 m. Leaves: blade ovate or broadly elliptic to suborbiculate, 7–16 × 5–12 mm, length 1.3–1.4 times width, rigid, base rounded to broadly cuneate, margins not thickened, revolute, apex rounded to acute, sometimes mucronulate, surfaces scabridulous. Inflorescences cymose-panicles. Flowers: sepals triangular, 1–2.3 mm; petals ovate, 2.2–3 mm. Fruits 5–7 mm.


Phenology: Flowering spring; fruiting late spring–summer.
Habitat: Limestone, dry desert slopes, canyon bottoms.
Elevation: 500–2100 m.

Distribution

V12 905-distribution-map.jpg

Ariz., Calif., Nev., Utah.

Discussion

Mortonia utahensis is restricted to the Mojave Desert.

Selected References

None.

Lower Taxa

None.
... more about "Mortonia utahensis"
Jinshuang Ma +  and Geoffrey A. Levin +
(Coville ex Trelease) A. Nelson +
rounded +  and broadly cuneate +
Mortonia scabrella var. utahensis +
0.7 cm7 mm <br />0.007 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
broadly elliptic;suborbiculate +
5mm;12mm +
Utah mortonia +
Ariz. +, Calif. +, Nev. +  and Utah. +
500–2100 m. +
oblong;cylindric +
0.5 cm5 mm <br />0.005 m <br /> (0.7 cm7 mm <br />0.007 m <br />) +
Limestone, dry desert slopes, canyon bottoms. +
axillary +  and terminal +
bisexual +  and unisexual +
crowded +  and alternate +
persistent +
not thickened +
intrastaminal +
parietal +, axile +  and placentation +
distinct +
0.22 cm2.2 mm <br />0.0022 m <br /> (?) +  and 0.3 cm3 mm <br />0.003 m <br /> (?) +
Flowering spring +  and fruiting late spring–summer. +
distinct +
triangular +
0.1 cm1 mm <br />0.001 m <br /> (?) +  and 0.23 cm2.3 mm <br />0.0023 m <br /> (?) +
scabridulous +
Mortonia utahensis +
Mortonia +
species +
evergreen +, deciduous +, perennial +  and annual +
polygamomonoecious +, dioecious +  and synoecious +