Vauquelinia corymbosa |
Vauquelinia corymbosa subsp. angustifolia |
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slimleaf rosewood |
slimleaf rosewood |
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Habit | Shrubs [trees], 15–70(–100) dm, multistemmed [single-stemmed]. | |
Leaves | petiole (6–)9–28(–40) mm; blade green or yellow-green, linear to linear-oblong, (3.5–)6–13(–18.5) × (0.3–)0.5–0.9(–1.3) cm, base obliquely cuneate to truncate-subcordate, margins usually serrate, sometimes partly doubly serrate, rarely entire, teeth (3–)5–10(–14) per 5 cm, 0.2–1.5(–2.5) mm, apex acute to rounded, mucronate, lustrous, surfaces tomentulose, tardily glabrescent. |
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Flowers | hypanthium 1.7–2.5 × 2.5–3.8 mm, floccose or sparsely villous to glabrate; sepals (1.2–)1.5–2.4 × 1.5–2.3 mm, margins glandular; petals oblong-ovate to oblong-obovate, 2.4–4.5(–5.6) × 2–3.5 mm; filaments 2.7–5 mm. |
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Capsules | 5–7.5 × 3.5–5.4 mm. |
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Seeds | 4.4–4.8 × 1–1.3 mm. |
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Corymbs | 2.5–5.5 × (3–)3.5–6(–7) cm, mostly glabrate [tomentulose or canescent]. |
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2n | = 30 (Mexico). |
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Vauquelinia corymbosa |
Vauquelinia corymbosa subsp. angustifolia |
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Phenology | Flowering spring. | |
Habitat | Limestone, rarely igneous rock slopes and canyons, and gypsum flats, Chihuahuan Desert scrub and chaparral | |
Elevation | 1000–1500 m (3300–4900 ft) | |
Distribution |
TX; Mexico |
TX; Mexico (Chihuahua, Coahuila) |
Discussion | Subspecies 6 (1 in the flora). (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Subspecies angustifolia is found in the flora area only in the mountains of Brewster and Presidio counties. Its leaves are typically 20 times longer than wide, with marginal serrations approximately one per centimeter or rarely entire; its inflorescences are mostly glabrate. (Discussion copyrighted by Flora of North America; reprinted with permission.) |
Source | FNA vol. 9, p. 431. | FNA vol. 9, p. 431. |
Parent taxa | ||
Sibling taxa | ||
Subordinate taxa | ||
Synonyms | V. angustifolia | |
Name authority | Bonpland: in A. von Humboldt and A. J. Bonpland, Pl. Aequinoct. 1: 140, plate 40. (1807) | (Rydberg) W. J. Hess & Henrickson: Sida 12: 148. (1987) |
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