Spiraea sargentiana Rehder

Species

Angiosperms > Rosales > Rosaceae > Spiraea

Characteristics

Shrubs to 2 m tall. Branchlets spreading, red-brown to gray-brown, slender, terete, sometimes angled, pubescent when young, finally glabrous; buds brown, ovoid, small, with several scales, pubescent initially, apex subobtuse or acute. Petiole 1–3 mm, villous; leaf blade adaxially dark green, elliptic-oblong to obovate-oblong, 1–3 × 0.7–1.2 cm, abaxially densely thinly villous, adaxially sparsely villous, base cuneate, margin with a few teeth apically, apex acute. Corymbs terminal on lateral branchlets, compound, 2.5–5 × 2.5–4 cm, many flowered; rachis and pedicels thinly villous; pedicels 2–5 mm; bracts long elliptic or oblong, 2–4 mm, thinly villous. Flowers 5–6 mm in diam. Hypanthium campanulate, villous abaxially. Sepals triangular, 1.5–2 mm, erect or reflexed in fruit, apex acute. Petals milky white, suborbicular, 2–3 × 2–2.5 mm, glabrous, base almost clawless, apex emarginate. Stamens ca. 20, nearly equaling petals. Disk annular, 10-lobed; lobes emarginate at apex. Carpels pubescent basally; styles shorter than stamens. Follicles spreading, glabrous or hairy on adaxial suture; styles terminal on abaxial side, slightly divergent. Fl. Jun–Jul, fr. Sep–Oct.
Life form annual
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 1.5 - 2.0
Root system -
Rooting depth (meter) -
Root diameter (meter) -
Flower color
Blooming months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Fruit color -
Fruiting months
JanFebMar
AprMayJun
JulAugSep
OctNovDec
Nitrogen fixer -
Photosynthetic pathway -

Environment

Light 7-9
Soil humidity 3-5
Soil texture 3-4
Soil acidity -
Soil nutriment -
Hardiness (USDA) 6-8

Usage

Uses -
Edible -
Therapeutic use -
Human toxicity -
Animal toxicity -

Cultivation

Mode -
Germination duration (days) 30 - 40
Germination temperacture (C°) 12 - 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -23
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Spiraea sargentiana world distribution map, present in China

Identifiers

LSID urn:lsid:ipni.org:names:742514-1
WFO ID wfo-0001016035
COL ID 4Z6QD
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Spiraea aemulans Spiraea canescens var. sulfurea Spiraea sargentiana