Diaperia candida

(Torrey & A. Gray) Bentham & Hooker f.

Gen. Pl. 2: 298. 1873

Common names: Silver rabbit-tobacco
Synonyms: Evax candida (Torrey & A. Gray) A. Gray
Basionyms: Calymmandra candida Torrey & A. Gray
Treatment appears in FNA Volume 19. Treatment on page 461.
Plants grayish silvery, 3–25 cm, densely sericeous. Stems mostly 1; branches proximal or none. Leaves: largest 10–18 × 2–3 mm; capitular leaves subtending glomerules only, or sometimes also hidden between and surpassed by heads. Heads proximal and distal, in spiciform or racemiform arrays, ± spheric, 1.5–2 mm, heights ± equal to diams. Receptacles ± spheric, 0.3–0.5 mm, heights ± equal to diams. Pistillate paleae scarcely imbricate, longest 0.9–1.3 mm. Bisexual paleae mostly 1–3, apices incurved, ± involute, gibbous. Functionally staminate florets usually 0. Bisexual florets 3–5; corollas protruding from heads, ± zygomorphic, 0.5–0.9 mm, glabrous, lobes unequal (1–2 enlarged). Cypselae rounded, ± terete, mostly 0.5–0.6 mm (bisexual slightly longer). 2n = 14.

Phenology: Flowering and fruiting late Mar–early Jun.
Habitat: Open, dry, deep sandy soils, oak and pine woodlands, prairies, coastal areas, sometimes disturbed sites (fields, lawns, road beds)
Elevation: 10–400 m

Distribution

V19-767-distribution-map.gif

Ark., La., Okla., Tex.

Discussion

Diaperia candida is the most restricted of the three species, occupying most of eastern Texas (including the coast) and extending to adjacent corners of southeastern Oklahoma, southwestern Arkansas, and northwestern Louisiana.

References

None.

Lower Taxa

No lower taxa listed.