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.
Revision as of 21:34, 6 October 2024 by imported>Volume Importer
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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 +