Mortonia sempervirens

A. Gray

Smithsonian Contr. Knowl. 3(5): 35, plate 4. 1852.

Common names: Texas mortonia
Treatment appears in FNA Volume 12. Treatment on page 129. Mentioned on page 128.

Shrubs 0.6–1.5 m. Leaves: blade oblongelliptic to narrowly obovate, 3–5 × 1.5–2 mm, length 2–2.5 times width, rigid, base rounded, margins not thickened, revolute, apex narrowly obtuse to acute, mucronate, surfaces usually scabridulous, rarely glabrous. Inflorescences cymose racemes. Flowers: sepals deltate, 1 mm; petals oblong, 2 mm. Fruits 5–6 mm.


Phenology: Flowering spring; fruiting summer.
Habitat: Rocky limestone hills, ledges, stony prairies.
Elevation: 500–1800 m.

Distribution

V12 1025-distribution-map.jpg

Tex., Mexico (Chihuahua), Mexico (Durango), Mexico (Sonora)

Discussion

In the flora area, Mortonia sempervirens occurs in trans-Pecos Texas.

Selected References

None.

Lower Taxa

None.
... more about "Mortonia sempervirens"
mucronate;narrowly obtuse;acute +
Jinshuang Ma +  and Geoffrey A. Levin +
A. Gray +
rounded +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
oblongelliptic;narrowly obovate +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.2 cm2 mm <br />0.002 m <br />) +
Texas mortonia +
Tex. +, Mexico (Chihuahua) +, Mexico (Durango) +  and Mexico (Sonora) +
500–1800 m. +
oblong;cylindric +
0.5 cm5 mm <br />0.005 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
Rocky limestone hills, ledges, stony prairies. +
axillary +  and terminal +
bisexual +  and unisexual +
crowded +  and alternate +
persistent +
not thickened +
intrastaminal +
parietal +, axile +  and placentation +
distinct +
2 cm20 mm <br />0.02 m <br /> (?) +
Flowering spring +  and fruiting summer. +
Smithsonian Contr. Knowl. +
distinct +
deltate +
1 cm10 mm <br />0.01 m <br /> (?) +
scabridulous +
Mortonia sempervirens +
Mortonia +
species +
evergreen +, deciduous +, perennial +  and annual +
polygamomonoecious +, dioecious +  and synoecious +