Flora of North America species comparison

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Vauquelinia

rosewood
Habit Shrubs or trees, (10–)15–80(–100) dm.
Stems

1–10+, orientation unknown;

bark gray to dark gray, smooth, older plaited; short shoots absent; unarmed;

tomentulose to villous-canescent, hairs white, short, tightly crinkled, often tardily to soon glabrescent.
Leaves

persistent, cauline, erect-ascending to spreading, simple;

stipules tardily deciduous, free, subulate to narrowly deltate, margins entire, glandular;

petiole present;

blade oblong-elliptic or oblong-lanceolate to linear-lanceolate or linear to linear-oblong, (2.2–)3–13(–18.5) cm, leathery, margins flat, usually horny, serrate, serrulate, or crenulate, sometimes doubly serrate, rarely entire, venation pinnate and semicraspedodromous, surfaces tomentulose, sometimes glabrate or puberulent.
Inflorescences

terminal or axillary, 15–25+-flowered, compound corymbs, puberulent to tomentulose;

bracts present;

bracteoles present.
Pedicels

present.
Flowers

perianth and androecium perigynous, 5–10 mm diam.;

hypanthium hemispheric, 1.5–2.5(–3) mm, leathery, sericeous, glabrescent, interior proximal surface nectariferous;

sepals 5, erect, broadly ovate;

petals 5, white, oblong-ovate to oblong-obovate, base clawed, apex rounded to emarginate;

stamens 18–20, shorter than petals;

torus thickened;

carpels 5, connate, free, strigose, styles terminal, distinct;

ovules 2.
Fruits

capsules, broadly ovoid, 4.5–7.5 mm, woody, sericeous, ventrally (fully) and dorsally (in distal 1/2) dehiscent, splitting into 5 follicles;

hypanthium persistent;

sepals persistent, erect;

styles persistent.
Seeds

2 per follicle, winged.
x

= 15.

Vauquelinia
Distribution
from USDA
sw United States; Mexico
[BONAP county map]
Discussion

Species 3 (2 in the flora).

Vauquelinia species are xerophytic. The third species in the genus, V. australis Standley, is known from Oaxaca and Puebla, Mexico.

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Key
1. Leaf margins serrulate or crenulate, teeth 10–35(–50) per 5 cm; sepal margins eglandular.
V. californica
1. Leaf margins usually serrate, sometimes partly doubly serrate, rarely entire, teeth (3–)5–10(–14) per 5 cm; sepal margins glandular.
V. corymbosa
Source FNA vol. 9, p. 429. Author: William J. Hess.
Parent taxa Rosaceae > subfam. Amygdaloideae > tribe Maleae
Subordinate taxa
V. californica, V. corymbosa
Name authority Corrêa ex Bonpland: in A. von Humboldt and A. J. Bonpland, Pl. Aequinoct. 1: 140, plate 40. (1807)
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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