Deutzia parviflora

Bunge

Enum. Pl. China Bor., 31. 1833.

Introduced
Treatment appears in FNA Volume 12. Treatment on page 472. Mentioned on page 471.
Revision as of 18:30, 29 July 2020 by imported>Volume Importer
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Shrubs 10–20 dm. Branches ascending to erect. Leaves: petiole 2–8 mm, glabrous; blade ovate or elliptic to ovatelanceolate, 30–90 × 20–40 (–50) mm, base cuneate or rounded, margins serrulate, apex acute to acuminate, abaxial surface green, glabrous or stellate-pubescent, trichomes 6–9-rayed, adaxial green, glabrous or stellate-pubescent, trichomes 3–5-rayed. Inflorescences corymbose cymes, open, 10–60-flowered, 5–10 × 4–7 cm, glabrous; peduncle 20–80 mm, villous or stellate-pubescent. Pedicels 10–15 mm, stellate-pubescent. Flowers faintly fragrant, 9–10 mm; hypanthium ovoid, 2.2–3 × 1–1.3 mm, densely stellate-pubescent; sepals ovate-deltate or broadly ovate, 0.9–1.2 × 0.3–0.4 mm, apex obtuse, surfaces densely stellate-pubescent; petals imbricate, white to pink, broadly ovate or suborbiculate, 2–7 × 3–5 mm, stellate-pubescent; filaments terete, filiform, outer 4–5 mm, apex not lobed, inner 3–4 mm, apex 2-lobed; styles 3, 2–3 mm. Capsules hemispheric, 2–3 × 2–3 mm. Seeds 0.9–1.3 mm. 2n = 26, 78 (Asia).


Phenology: Flowering Apr–Jun.
Habitat: Disturbed areas, moist ravines.
Elevation: 100–200 m.

Distribution

V12 794-distribution-map.jpg

Introduced; Ga., Asia (n China), Asia (Korea)

Discussion

Deutzia ×lemoinei Lemoine, the hybrid between D. parviflora and D. gracilis, often has been grown in the flora area and is considered one of the hardiest cultivars (A. J. Rehder 1940; M. A. Dirr 1998). Three varieties of D. parviflora are recognized in China; plants in the flora area seem closest to var. parviflora.

Selected References

None.

Lower Taxa

None.

"connate" is not a number. "distinct" is not a number.

... more about "Deutzia parviflora"
stellate-pubescent +  and glabrous +
stellate-pubescent;glabrous +
distinct +
filiform +  and terete +
0.4 cm4 mm <br />0.004 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
2-lobed +, not lobed +, obtuse +, acute +  and acuminate +
0.3 cm3 mm <br />0.003 m <br /> (0.4 cm4 mm <br />0.004 m <br />) +
Ronald L. McGregor† +
exfoliating +
rounded +  and cuneate +
4 cm40 mm <br />0.04 m <br /> (5 cm50 mm <br />0.05 m <br />) +
3 cm30 mm <br />0.03 m <br /> (9 cm90 mm <br />0.09 m <br />) +
elliptic +  and ovatelanceolate +
2 cm20 mm <br />0.02 m <br /> (4 cm40 mm <br />0.04 m <br />) +
ascending;erect +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
hemispheric +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
Ga. +, Asia (n China) +  and Asia (Korea) +
100–200 m. +
fragrant +
0.9 cm9 mm <br />0.009 m <br /> (1 cm10 mm <br />0.01 m <br />) +
loculicidal +  and septicidal +
intercostal +  and interstylar +
Disturbed areas, moist ravines. +
stellate-pubescent +
10-60-flowered +  and open +
5 cm50 mm <br />0.05 m <br /> (10 cm100 mm <br />0.1 m <br />) +
axillary +  and terminal +
4 cm40 mm <br />0.04 m <br /> (7 cm70 mm <br />0.07 m <br />) +
semideciduous +  and deciduous +
acrodromous +  and pinnate +
plane +, serrulate +  and crenate-denticulate +
1/2 +  and 0 +
(2-)5-60-flowered +
stellate-pubescent +
1 cm10 mm <br />0.01 m <br /> (1.5 cm15 mm <br />0.015 m <br />) +
stellate-pubescent +  and villous +
2 cm20 mm <br />0.02 m <br /> (8 cm80 mm <br />0.08 m <br />) +
white +  and pink +
stellate-pubescent +
suborbiculate +  and ovate +
0.3 cm3 mm <br />0.003 m <br /> (0.5 cm5 mm <br />0.005 m <br />) +
0.2 cm2 mm <br />0.002 m <br /> (0.8 cm8 mm <br />0.008 m <br />) +
Flowering Apr–Jun. +
3-5-carpellate +
Enum. Pl. China Bor., +
(2-)5-60-flowered +
dark-brown +
10 +  and 20 +
ellipsoid +
0.09 cm0.9 mm <br />9.0e-4 m <br /> (0.13 cm1.3 mm <br />0.0013 m <br />) +
deciduous +
connate +  and distinct +
stellate-pubescent +, short-hairy +  and glabrous +
ovate +  and ovate-deltate +
enlarged +
0.03 cm0.3 mm <br />3.0e-4 m <br /> (0.04 cm0.4 mm <br />4.0e-4 m <br />) +
reddish +, brownish +  and grayish +
Introduced +
free +, connate +  and distinct +
erect;spreading +
2 +  and 12 +
persistent +
distinct +
0.2 cm2 mm <br />0.002 m <br /> (0.3 cm3 mm <br />0.003 m <br />) +
stellate-pubescent +
Deutzia parviflora +
species +
deciduous +  and evergreen +