Allowissadula lozanoi

(Rose) D. M. Bates

Gentes Herbarum 11: 347. 1978

Basionyms: Wissadula lozanoi Rose Contr. U.S. Natl. Herb. 10: 124, plate 41. 1906 (as lozani)
Synonyms: Pseudabutilon lozanoi (Rose) R. E. Fries
Treatment appears in FNA Volume 6. Treatment on page 230. Mentioned on page 231.
Plants 1–1.5 m; herbage densely, closely tawny-yellowish, roughly stellate-hairy, not glandular. Leaf blades ovate to transversely ovate, unlobed or with low hiplike lobe on either side, 5–13 cm, base mostly open-cordate. Inflorescences usually dense or open cymes, sometimes solitary flowers. Flowers: calyx campanulate, densely tawny-hairy, strongly 10-ribbed at base, 8–12 mm, subequal to fruits, lobes keeled, ovate to deltate-ovate, (3–)4–8 × 4–6 mm; corolla yellow to orange-yellow, 13–20 mm; staminal column to 12 mm including filaments. Mericarps strongly dorsolaterally constricted, 7.5–10 mm including dorso-apical apiculus or spur 0.5–2 mm, densely tawny stellate-hairy, endoglossum narrow, stout, spearlike, nearly reaching ventral suture. Seeds grayish with reddish-brown raphe, 2.7–3 mm. 2n = 16.

Phenology: Flowering May–Oct.
Habitat: Mostly clay soil, open scrub or waste places
Elevation: 10–200 m


V6 411-distribution-map.jpg

Tex., Mexico (Nuevo León, Tamaulipas).


Allowissadula lozanoi occurs east and south of the Edwards Plateau through the southern Texas coastal plains into northeastern Mexico.



Lower Taxa

No lower taxa listed.