Vauquelinia californica

(Torrey) Sargent

Gard. & Forest 2: 400. 1889.

Common names: Arizona rosewood
Illustrated
Basionym: Spiraea californica Torrey in W. H. Emory, Not. Milit. Reconn., 140. 1848
Treatment appears in FNA Volume 9. Treatment on page 430.

Shrubs or trees, rounded to ovoid, 10–50 (–80) dm, usually multistemmed. Leaves: petiole (1.5–) 4–16 (–26) mm; blade usually bicolor, sometimes green or yellow-green, oblongelliptic or oblong-lanceolate to linear-lanceolate or linear, (2.2–) 3–11 (–15) × (0.6–) 0.7–2 (–3.2) cm, base obliquely cuneate to rounded, margins serrulate or crenulate, teeth 10–35 (–50) per 5 cm, 0.1–0.5 (–1.5) mm, apex acute, mostly mucronate, surfaces closely villous-tomentulose, abaxially more densely so, or glabrate or tardily glabrescent (some remaining crinkled hairs). Corymbs 1.5–5 (–12) × 1.7–8 (–13) cm, tomentulose, sometimes sparsely hairy or glabrate. Flowers: hypanthium 1.5–2.5 (–3) × 2–3.7 (–4.5) mm, tomentose to sparsely tomentulose or glabrate; sepals 1.1–2.2 × 1.4–2.3 mm, margins eglandular; petals oblong-ovate, 3.4–5.4 × 2.4–3.5 mm; filaments 2.5–6 mm. Capsules 4.5–6.5 × 3.5–4.5 mm. Seeds 3.5–5 × 0.9–1.4 mm.

Discussion

Subspecies 4 (3 in the flora).

Subspecies retherfordii (I. M. Johnston) W. J. Hess & Henrickson is known from Coahuila and Durango in northern Mexico.

Selected References

None.

Key

1 Leaves green or yellow-green, glabrate or puberulent along midveins. Vauquelinia californica subsp. pauciflora
1 Leaves bicolor, abaxially white-puberulent or villous-tomentulose (or tardily glabrescent in plants of c Arizona), adaxially green > 2
2 Leaf blades lanceolate to oblong-lanceolate or narrowly elliptic, (0.7–)1–2(–3.2) cm wide, usually abaxially sparsely white-puberulent, sometimes glabrate or glabrous. Vauquelinia californica subsp. californica
2 Leaf blades linear to linear-lanceolate, (0.6–)0.7–1.2(–1.4) cm wide, abaxially villous-tomentulose, soon or tardily glabrescent except for hairy midveins. Vauquelinia californica subsp. sonorensis

"dm" is not declared as a valid unit of measurement for this property.

... more about "Vauquelinia californica"
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
mucronate;acute +
William J. Hess +
(Torrey) Sargent +
gray +  and dark gray +
compound +  and simple +
opposite +  and alternate +
obliquely cuneate +  and rounded +
Spiraea californica +
11 cm110 mm <br />0.11 m <br /> (15 cm150 mm <br />0.15 m <br />) +
13 cm130 mm <br />0.13 m <br /> (18.5 cm185 mm <br />0.185 m <br />) +
2 cm20 mm <br />0.02 m <br /> (3.2 cm32 mm <br />0.032 m <br />) +
yellow-green +, green +  and bicolor +
3 cm30 mm <br />0.03 m <br /> (11 cm110 mm <br />0.11 m <br />) +
oblong-lanceolate +  and linear-lanceolate or linear +
3 cm30 mm <br />0.03 m <br /> (13 cm130 mm <br />0.13 m <br />) +
0.7 cm7 mm <br />0.007 m <br /> (?) +  and 2 cm20 mm <br />0.02 m <br /> (?) +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.65 cm6.5 mm <br />0.0065 m <br />) +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
free +  and connate +
Arizona rosewood +
5 cm50 mm <br />0.05 m <br /> (12 cm120 mm <br />0.12 m <br />) +
8 cm80 mm <br />0.08 m <br /> (13 cm130 mm <br />0.13 m <br />) +
1.5 cm15 mm <br />0.015 m <br /> (5 cm50 mm <br />0.05 m <br />) +
glabrate +, hairy +  and tomentulose +
1.7 cm17 mm <br />0.017 m <br /> (8 cm80 mm <br />0.08 m <br />) +
Ariz. +, N.Mex. +  and n Mexico +
not +  and aggregated +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.6 cm6 mm <br />0.006 m <br />) +
unisexual +  and bisexual +
not +  and aggregated +
0.45 cm4.5 mm <br />0.0045 m <br /> (0.75 cm7.5 mm <br />0.0075 m <br />) +
not +  and aggregated +
glabrescent +
crinkled +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.25 cm2.5 mm <br />0.0025 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
0.37 cm3.7 mm <br />0.0037 m <br /> (0.45 cm4.5 mm <br />0.0045 m <br />) +
1.5mm;2.5mm +
tomentose +  and sparsely tomentulose or glabrate +
hemispheric +
0.15 cm1.5 mm <br />0.0015 m <br /> (0.25 cm2.5 mm <br />0.0025 m <br />) +
axillary +  and terminal +
crassinucellate +
persistent +
pinnate +, entire +  and serrate +
crenulate +  and serrulate +
inferior +  and superior +
biseriate +  and clustered +
collateral +  and basal +
0.5 cm5 mm <br />0.005 m <br /> (1 cm10 mm <br />0.01 m <br />) +
0 (?) +  and 4 (?) +
free +  and distinct +
3.4mm;5.4mm +
oblong-ovate +
0.24 cm2.4 mm <br />0.0024 m <br /> (0.35 cm3.5 mm <br />0.0035 m <br />) +
1.6 cm16 mm <br />0.016 m <br /> (2.6 cm26 mm <br />0.026 m <br />) +
0.4 cm4 mm <br />0.004 m <br /> (1.6 cm16 mm <br />0.016 m <br />) +
adnate +, free +, connate +  and distinct +
Gard. & Forest +
0.35 cm3.5 mm <br />0.0035 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (?) +  and 0.14 cm1.4 mm <br />0.0014 m <br /> (?) +
persistent +
free +  and distinct +
0.14 cm1.4 mm <br />0.0014 m <br /> (0.23 cm2.3 mm <br />0.0023 m <br />) +
tomentulose +  and villous-canescent +
Illustrated +
free +  and distinct +
branched +  and simple +
1 +  and 10 +
subulate;narrowly deltate +
persistent +
distinct +
basal +, lateral +, subterminal +  and terminal +
elongate +
glabrescent +, glabrate +  and villous-tomentulose +
Vauquelinia californica +
Vauquelinia +
species +
0.05 cm0.5 mm <br />5.0e-4 m <br /> (0.15 cm1.5 mm <br />0.0015 m <br />) +
10 (?) +  and 35 (?) +
0.01 cm0.1 mm <br />1.0e-4 m <br /> (0.05 cm0.5 mm <br />5.0e-4 m <br />) +
inconspicuous +
tree +  and shrub +
rounded +  and ovoid +