Euphorbia austrotexana var. austrotexana
IllustratedEndemicConservation concern
Treatment appears in FNA Volume 12. Treatment on page 299.
Stems 10–22 cm. Leaves: blade linear-oblanceolate, apex rounded. Dichasial bracts reniform-ovate to subdeltate-ovate, base truncate. Seeds 1.6–1.7 × 1.1–1.3 mm, surface with regular concave depressions. 2n = 26.
Phenology: Flowering and fruiting spring.
Habitat: Sandy soils.
Elevation: 200–300 m.
Discussion
Variety austrotexana is restricted to Atascosa, Bexar, and Wilson counties. According to M. H. Mayfield (2013), only five documented localities are known.
Selected References
None.
Lower Taxa
None.
"slightly shorter and wider" is not a number."connate" is not a number. "distinct" is not a number."connate" is not a number. "distinct" is not a number.
... more about "Euphorbia austrotexana var. austrotexana"
dehiscing +
rounded +
petaloid +
absent +
hornlike +
slender +
truncate +
monomorphic +
herbaceous +
linear-oblanceolate +
dichasial +
not imbricate +
green +
distinct +
shorter +
absent +
absent +
additional;2;4 +
absent +
glabrous +
rounded +
opposite +
fascicles +
regular +
irregular +
concave +
opposite +
Tex. +
5;10 +
unisexual +
septicidal +
dehiscent +
0.2mm;0.4mm +
subtending +
absent +
crescent--shaped +
capitate +
unbranched +
absent +
divergent +
absent +
Present +
bisexual +
actinomorphic +
not spurred +
glabrous +
infundibular +
palmate +
absent +
white +
absent +
simple +
fascicled +
pinnate +
alternate +
bractlike +
spongy +
prominent +
absent +
(1-)3-5(-20)-locular +
axile +
superior +
glabrous +
anatropous +
absent +
hypogynous +
connate;distinct +
absent +
absent +
3-carpellate +
absent +
cymose +
cluster +
J. Bot. Res. Inst. Texas +
2013 +
thickened +
white;gray +
ellipsoid +
absent +
2;12 +
longitudinal +
branched +
erect +
glabrous +
terete +
1;32 +
absent +
unbranched +
2-fid +
obscure +
glabrous +
Euphorbia austrotexana var. austrotexana +
Euphorbia austrotexana +
variety +
cyathial +
annual +
monoecious +