Overview

Distribution

Shandong (Qingdao), Shanghai [native to Japan].
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Physical Description

Morphology

Description

Trees to 30 m tall, to 2 m d.b.h. Branchlets pubescent when young. Petiole 7.5-25 cm, glabrous or pubescent; leaf blade 5-7-foliolate; leaflets sessile, abaxially slightly glaucous, oblanceolate, 15-35 × 5-15 cm, abaxially glabrous except villous in axils of lateral veins, or pubescent and more densely so on veins, base cuneate, margin shallowly crenate with crenations crenulate, apex abruptly acuminate; lateral veins in 18-26 pairs. Inflorescence glabrous or pubescent; peduncle 2-4 cm; thyrse conic or cylindric-conic, 12-25(-45) cm, 6-11 cm wide at base; branches up to 5 cm, 5-10-flowered; pedicels 3-4 mm. Calyx 3-5 mm, abaxially pubescent. Petals 4(or 5), white or pale yellow, with red spots and a yellow (later red) claw, unequal, 2 oblong and 2 oblong-obovate, 7-11 × 3-7 mm, abaxially pubescent. Stamens 6-10, 10-18 mm; filament sparsely villous; anther 1-1.5 mm. Style tomentose, sparsely so
near apex. Capsule dark brown, broadly obovoid or pyriform, 2.5-5 cm in diam., verrucose; verrucae low, suborbicular, unequal, 0.5-2 mm in diam.; pericarp 3-6 mm thick after drying. Seed usually 1, reddish brown, ± globose, 2-3 cm; hilum pale brown, occupying ca. 1/2 of seed. Fl. May-Jul, fr. Sep. 2n = 40.
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Diagnostic Description

Synonym

Aesculus turbinata f. pubescens (Rehder) Ohwi ex Yas. Endo; A. turbinata var. pubescens Rehder.
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Ecology

Habitat

Introduced to China, cultivated in parks; 100-200 m.
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Molecular Biology and Genetics

Molecular Biology

Barcode data: Aesculus turbinata

The following is a representative barcode sequence, the centroid of all available sequences for this species.


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Statistics of barcoding coverage: Aesculus turbinata

Barcode of Life Data Systems (BOLDS) Stats
Public Records: 5
Specimens with Barcodes: 18
Species With Barcodes: 1
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Wikipedia

Aesculus turbinata

Aesculus turbinata, common name "Japanese horse-chestnut" is native to Japan but cultivated elsewhere. It is a tree up to 30 m tall. Flowers are white to pale yellowish with red spots. Capsules are dark brown, obovoid to pyriform.[4][1] The seeds were traditionally eaten, after leaching, by the Jōmon people of Japan over about four millennia, until 300 AD.[5]

References[edit]

  1. ^ a b Flora of China vol 12 page 4.
  2. ^ Tropicos Aesculus turbinata
  3. ^ Plant list Aesculus turbinata
  4. ^ Blume, Rumphia. 3: 195. 1847.
  5. ^ Harlan, Jack R. (1995). The Living Fields: Our Agricultural Heritage (1. publ. ed.). Cambridge [u.a.]: Cambridge Univ. Press. p. 15. ISBN 0-521-40112-7. Harlan cites Akazawa, T & Aikens, CM, Prehistoric Hunter-Gathers in Japan (1986), Univ. Tokyo Press; and cites Aikens, CM & Higachi, T, Prehistory of Japan (1982), NY Academic Press.
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Notes

Comments

Aesculus turbinata is cultivated as an ornamental and for its timber. It has been confused in China with A. chinensis, but it differs in several characters, including its sessile (vs. petiolulate) leaflets, crenulate (vs. serrulate) leaflet margin, conic or cylindric-conic (vs. cylindric) thyrse, and verrucose (vs. dotted but smooth) capsule.
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