Spiraea formosana Hayata

Species

Angiosperms > Rosales > Rosaceae > Spiraea

Characteristics

Shrubs. Branchlets yellow-brown to dark brown, terete, densely pubescent when young, later glabrescent; buds ovoid, ca. 5 mm, with several scales, apex acute. Petiole 2–3 mm, pubescent; leaf blade abaxially pale, oblong to oblong-ovate, 4–6(–8) × 2–2.5 cm, abaxially pubescent especially on veins, adaxially glabrous, base broadly cuneate, margin doubly serrate, apex acute. Corymbs terminal on erect, long, leafy shoots of current year, compound, 6–10 × 8–12 cm, many flowered; rachis and pedicels pubescent; pedicels 5–7 mm; bracts linear to subulate, pubescent. Hypanthium broadly campanulate, pubescent abaxially. Sepals triangular, 1.5–2 mm, reflexed in fruit. Petals orbicular, 2–3 mm in diam., apex obtuse or slightly emarginate. Stamens ca. 20, longer than petals. Disk annular, 10-lobed; lobes subobtuse at apex, rarely emarginate. Carpels adaxially pubescent; styles shorter than stamens. Follicles slightly spreading, subglabrous or puberulous on adaxial suture; styles persistent, spreading. Fl. May–Jun, fr. Aug–Sep.
Life form annual
Growth form shrub
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) 1.0 - 1.5
Mature height (meter) 1.0 - 1.5
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 4-9
Soil humidity -
Soil texture -
Soil acidity 2-8
Soil nutriment -
Hardiness (USDA) 8-9

Usage

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

Cultivation

Can be grown by cuttings.
Mode cuttings
Germination duration (days) 30 - 40
Germination temperacture (C°) 12 - 18
Germination luminosity -
Germination treatment -
Minimum temperature (C°) -
Optimum temperature (C°) -
Size -
Vigor -
Productivity -

Distribution

Spiraea formosana world distribution map, present in China and Taiwan, Province of China

Identifiers

LSID urn:lsid:ipni.org:names:742258-1
WFO ID wfo-0001016028
COL ID 4Z6HY
BDTFX ID -
INPN ID -
Wikipedia (EN)
Wikipedia (FR)

Synonyms

Spiraea japonica var. formosana Spiraea formosana