Difference between revisions of "Prunus fasciculata"
Proc. Amer. Acad. Arts 10: 70. 1874.
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Revision as of 22:58, 5 November 2020
Shrubs, suckering, much branched, 10–20(–30) dm, thorny. Twigs with axillary end buds, glabrous or canescent. Leaves deciduous; sessile; blade oblanceolate to linear, 0.5–2 × 0.1–0.2(–0.4) cm, base long-attenuate, margins nearly entire or obscurely and remotely serrulate in distal 1/3, teeth blunt to sharp, sometimes glandular, apex rounded to acute, surfaces puberulent or glabrous or low-papillate (var. punctata). Inflorescences solitary flowers or 2-flowered fascicles. Pedicels 0–4 mm, glabrous. Flowers unisexual, plants dioecious, blooming at leaf emergence; hypanthium campanulate, 1.5–3 mm, glabrous externally; sepals erect-spreading, triangular, 0.7–1 mm, margins entire, surfaces glabrous; petals white to yellowish, elliptic, obovate, or suborbiculate, 1.4–2.5(–4) mm; ovaries hairy. Drupes gray to red-brown, ovoid, ± compressed, 7–15 mm, densely puberulent; hypanthium tardily deciduous; mesocarps leathery to dry; stones ovoid, ± flattened.
Distribution
Ariz., Calif., Nev., Utah, nw Mexico.
Discussion
Varieties 2 (2 in the flora).
Selected References
None.
Key
| 1 | Leaf blades sparsely to densely puberulent, not papillate. | Prunus fasciculata var. fasciculata |
| 1 | Leaf blades glabrous, sometimes papillate. | Prunus fasciculata var. punctata |