Difference between revisions of "Euphorbia austrotexana var. austrotexana"

IllustratedEndemicConservation concern
Treatment appears in FNA Volume 12. Treatment on page 299.
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name=Euphorbia austrotexana var. austrotexana
 
name=Euphorbia austrotexana var. austrotexana
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|subgenus=Euphorbia subg. Esula

Revision as of 19:57, 16 December 2019

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.
Ricarda Riina +, Dmitry V. Geltman +, Jess A. Peirson +  and Paul E. Berry +
Mayfield +
200–300 m. +
Sandy soils. +
Flowering and fruiting spring. +
J. Bot. Res. Inst. Texas +
Illustrated +, Endemic +  and Conservation concern +
Galarhoeus +  and Tithymalus +
Euphorbia austrotexana var. austrotexana +
Euphorbia austrotexana +
variety +