Sinojackia xylocarpa Hu

Jack tree (en)

Species

Angiosperms > Ericales > Styracaceae > Sinojackia

Characteristics

Trees to 7 m tall. Trunk to 10 cm d.b.h. Branchlets densely gray-brown stellate pubescent. Petiole ca. 5 mm; leaves of 2 types; leaves at base of flower bearing branches with blade ovate, 2--5 X 1.5--2 cm, base rounded to slightly cordate; other leaves with blade obovate to elliptic, 3--9 X 2--5 cm, base cuneate to subrounded; all blades glabrous or sparsely stellate pubescent, margin serrate, apex acute, veins 5--7 pairs. Inflorescences 3--5-flowered, 3--5 cm. Pedicel ca. 5 cm. Flowers pendulous. Calyx tube ca. 4 mm, densely stellate pubescent; teeth 5--7, lanceolate. Corolla lobes oblong-elliptic, 8--12 X ca. 6 mm, apex obtuse. Filaments ca. 4 mm, sparsely stellate pubescent. Style ca. 8 mm. Fruit ovoid including a conical rostrum, 1.8--2 X 0.8--1.5 cm, exocarp ca. 1 mm thick, mesocarp 3--3.5 mm thick. Seeds dark brown, cylindrical-linear, ca. 1 cm. Fl. Mar-Apr, fr. Jul-Sep.
Life form -
Growth form tree
Growth support free-standing
Foliage retention deciduous
Sexuality hermaphrodite
Pollination -
Spread -
Mature width (meter) -
Mature height (meter) 7.0
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 4-9
Soil humidity -
Soil texture -
Soil acidity 2-4
Soil nutriment -
Hardiness (USDA) 9-10

Usage

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

Cultivation

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

Images

Fruit

Sinojackia xylocarpa fruit picture by fulai fulai (cc-by-sa)

Distribution

Sinojackia xylocarpa world distribution map, present in China

Conservation status

Sinojackia xylocarpa threat status: Vulnerable

Identifiers

LSID urn:lsid:ipni.org:names:826672-1
WFO ID wfo-0001141392
COL ID 4XL7H
BDTFX ID -
INPN ID -
Wikipedia (EN) Link
Wikipedia (FR) Link

Synonyms

Sinojackia xylocarpa

Lower taxons

Sinojackia xylocarpa var. leshanensis