Aphanostephus skirrhobasis var. thalassius


Wrightia1: 106. 1946

Found in FNA Volume 20. Treatment on page 352.
Plants 5–40 cm. Stems erect to decumbent, densely puberulent-hispidulous, hairs spreading to deflexed, 0.1–0.5 mm. Leaves thickened, densely, almost felty gray-hairy. Ray florets (10–)22–44. Pappi coroniform, uneven, often of awn-tipped or ciliate scales, 0.1–0.3 mm. 2n = 6.

Phenology: Flowering (Feb–)Apr–Dec.
Habitat: Sand dunes near beaches, coastal sands, Rio Grande plains
Elevation: 0–30 m


Fla., La., Tex., Mexico (Tamaulipas).


Variety thalassius is found on the Gulf coast; it differs from var. skirrhobasis primarily in vestiture.



AuthorGuy L. Nesom +
Elevation0–30 m +
HabitatSand dunes near beaches, coastal sands, Rio Grande plains +
IllustratorBarbara Alongi +
PhenologyFlowering (Feb–)Apr–Dec. +
ReferenceNone +
Taxon nameAphanostephus skirrhobasis var. thalassius +
Taxon parentAphanostephus skirrhobasis +
Taxon rankvariety +
VolumeVolume 20 +