Nicotiana clevelandii

A. Gray in A. Gray et al.

Syn. Fl. N. Amer. 2(1): 242. 1878. (as clevelandi)

Common names: Cleveland’s tobacco
Synonyms: Nicotiana greeneana Rose
Treatment appears in FNA Volume 14.

Herbs, annual, from basal rosette. Stems single or with few lateral branches (several robust basal branches on older plants), 2–6 dm, villous and viscid-pubescent. Rosette leaves: petiole length 1/8–1/2 blade; blade broadly elliptic to rhombic-ovate, 6–20 cm, surfaces softly viscid-pubescent. Cauline leaves sessile to short-petiolate; blade ovate, 1–6 cm, becoming smaller distally, (fleshy), apex acute, surfaces scabrous with persistent swollen bases of short, patent trichomes. Inflorescences unbranched, few-flowered, densely leafy; flowering crepuscular. Pedicels 0.2–0.5 cm. Flowers: calyx uniformly green with poorly developed membranous sinuses, 0.8–1 cm, viscid-pubescent, lobes subulate, unequal (4 as long as tube, 1 longer); corolla straight, 1.4–2 cm (excluding limb), minutely viscid-pubescent externally, tube white or tinged with purple externally, 0.3–0.4 cm × 1 mm, widening to throat 10–17 × 2–4 mm (oblique, often bent at junction of tube and throat), glabrous or minutely puberulent within, limb spreading, white, pentagonal to stellate, 0.6–0.8(–1) cm diam., lobes broadly triangular, unequal, acute; stamens inserted at base of throat, extending nearly to corolla mouth; filaments 1–1.5 cm, unequal, 1 much shorter (curved), glabrous; style straight, just exceeding 4 long stamens. Capsules ovoid, 0.4–0.6 cm. Fruiting calyces not tearing at sinuses, cov­ering capsule. Seeds 0.5 mm. 2n = 48.


Phenology: Flowering Feb–Jul.
Habitat: Sandy areas, dunes, sea cliffs, washes, desert slopes.
Elevation: 0–500 m.

Distribution

Ariz., Calif., Mexico (Baja California, Baja California Sur, Sonora).

Discussion

Selected References

None.

Lower Taxa

None.
... more about "Nicotiana clevelandii"
Sandra Knapp +
A. Gray in A. Gray et al. +
Cleveland’s tobacco +
Ariz. +, Calif. +, Mexico (Baja California +, Baja California Sur +  and Sonora). +
0–500 m. +
Sandy areas, dunes, sea cliffs, washes, desert slopes. +
Flowering Feb–Jul. +
Syn. Fl. N. Amer. +
Nicotiana greeneana +
Nicotiana clevelandii +
Nicotiana +
species +