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Diospyros lotus

(Date Plum)

Overview

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Interesting Facts

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Common Names

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Click on the language to view common names.

Common Names in Chinese:

Hei Zao, Jun Qian Zi

Common Names in English:

Date Plum, Date-Plum, Guiaca, Jun Qian Zi, Lotus Persimmon, Lotustree, Mamegaki, Qua Thi

Common Names in French:

Faux Lotier, Guyac De Tadone, Plaqueminier Faux Lotier, Plaqueminier Lotier

Common Names in German:

Dattelpflaume, Lotuspflaum, Lotuspflaumenbaum

Common Names in Italian:

Legno Santo

Common Names in Japanese:

Mame Gaki, Mamegaki

Common Names in Korean:

Khoyomnamu

Common Names in Portuguese:

Guiaca, Guiacana

Common Names in Russian:

Churma Kavkazskaja, Khurma Obyknovennaia, цхурма кавказская

Common Names in Spanish:

Caqui, Guayacán Africano

Description

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Family Ebenaceae

Trees or erect shrubs , occasionally with spine-tipped branchlets . Leaves alternate, rarely opposite, entire; stipules absent. Flowers actinomorphic , usually unisexual , dioecious, or polygamous, rarely bisexual . Male flowers often in cymes, sometimes in clusters or solitary; pistil rudimentary or absent. Female flowers often solitary, axillary , imperfect or without stamens. Calyx 3--7-lobed, persistent and often becoming enlarged in female or bisexual flowers; lobes abutting or overlapping in bud. Corolla 3--7-lobed; lobes convolute, rarely overlapping or abutting. Stamens hypogynous or at bottom of corolla, 2--4 X as many as corolla lobes, rarely as many as corolla lobes and alternate with them; filaments free or united in pairs. Ovary superior, 2--16-locular; ovules 1 or 2 per locule. Styles 2--8, free or basally united; stigma entire or 2-lobed. Fruit a ± fleshy berry, with few to several seeds. Seeds usually oblong ; endosperm sometimes ruminate ; hilum small.

Three genera and ca. 500 species: mostly in the tropics; one genus and 60 species (43 endemic) in China.[1]

Genus Diospyros

Trees or shrubs , deciduous or evergreen . Terminal buds absent. Branchlet tips sometimes forming a spine. Leaves alternate, occasionally minutely translucent dotted or with gland pits. Flowers dioecious or polygamous. Male flowers in axillary cymes, usually on basal part of current year's branchlets, deciduous soon after anthesis ; stamens 4 to numerous , often paired and forming 2 whorls; ovary rudimentary . Female flowers usually solitary, axillary; staminodes 1--16 or absent; stigma often 2-cleft. Calyx usually 3--5(--7) -lobed, sometimes truncate . Corolla urn-shaped, campanulate , or tubular , 3--5(--7) -lobed, deciduous. Berries fleshy to somewhat leathery, usually with an enlarged persistent calyx. Seeds 1--10(or more), often laterally compressed .

About 485 species: pantropical and extending into temperate regions ; 60 species in China, most abundant in SE and SW China, several incompletely known and of uncertain status. [2]

Physical Description

Species Diospyros lotus

Trees , deciduous. Bark grayish black to grayish brown. Petiole 0.7--1.5 cm; leaf blade elliptic to ovate-oblong, 5--13 X 2.5--6 cm, submembranous, abaxially drying green or glaucous and with dark veinlets , base obtuse , broadly cuneate, or subrounded, apex acuminate to acute, lateral veins 7--10 per side, reticulate veinlets clearly defined, flat, and dark. Male flowers 1--3 together; pedicel to 6 mm; calyx lobes 4(or 5) ; corolla reddish to pale yellow, urn-shaped, ca. 4 mm, lobes 4; stamens 16. Female flowers subsessile , pale green to reddish; calyx lobes 4; corolla urn-shaped, ca. 6 mm, lobes 4 or rarely 5; staminodes 8; ovary 8-locular, glabrous except for apex; styles 4. Fruiting calyx lobes 4, ovate , apex obtuse. Berries pale yellow, becoming bluish black with a glaucous bloom, subglobose to ellipsoid , 1--2 cm in diam. Seeds brown, compressed , ca. 10 X 6 mm in diam. Fl. May-Jun, fr. Oct-Nov. [source]

Habit: Deciduous.

Flowers: Bloom Period: June, July, August. • Flower Color: green, red

Size/Age/Growth

Size: 20-30' tall.

Habitat

500--2500 m [3].

Typically found at an altitude of 0 to 2,286 meters (0 to 7,500 feet).[4]

Biology

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Growth

Culture: Space 20-30' apart.

Sunlight: Sun Exposure: Full Sun .

Temperature: Cold Hardiness: 6a, 6b, 7a, 7b, 8a, 8b, 9a, 9b, 10a, 10b. (map)

Taxonomy

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Synonyms

Dactylus trapezuntinusDiospyros calycinaDiospyros mediterraneaDiospyros microcarpaDiospyros umlovok

Notes

Publishing author : Lour. Publication : Fl. Cochinch. 1: 226 1790 [Sep 1790]

Similar Species

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Members of the genus Diospyros

ZipcodeZoo has pages for 58 species, subspecies, varieties, forms, and cultivars in this genus:

D. angulata (Bois D') · D. australis (Black-Plum) · D. blancoi (Mabolo) · D. boutoniana (Bois D') · D. celebica (Indonesian Ebony) · D. chrysophyllos (Bois D') · D. crassiflora (Ebony) · D. decandra (Gold Apple) · D. digyna (Axle Grease Plant) · D. ebenum (Indian Ebony) · D. egrettarum (Bois D') · D. hemiteles (Bois D') · D. hillebrandii (Elama) · D. kaki (Japanese Persimmon) · D. kaki 'Hachiya' (Japanese Persimmon) · D. kaki 'Fuyu' (Japanese Persimmon) · D. kaki 'Ichikikei Jiro' (Japanese Persimmon) · D. kaki 'Jiro' (Japanese Persimmon) · D. kaki 'Kostata' (Japanese Persimmon) · D. kaki 'Maekawa Jiro' (Japanese Persimmon) · D. kaki 'Matsumoto Wase Fuyu' (Japanese Persimmon) · D. kaki 'Saijo' (Japanese Persimmon) · D. kaki 'Sheng' (Japanese Persimmon) · D. kaki 'Tamopan' (Japanese Persimmon) · D. kaki 'Tanenashi' (Japanese Persimmon) · D. leucomelas (Bois D') · D. lotus (Date Plum) · D. lycioides (Karroo Bluebush) · D. macassar (Macassar Ebony) · D. malabarica (Indian Persimmon) · D. marmorata (Andaman Marblewood) · D. melanida (Bois D') · D. mun (Ebony) · D. neraudii (Bois D') · D. nitida (Black Persimmon) · D. nodosa (Bois D') · D. oleifera (Oil Persimmon) · D. pterocalyx (Bois D') · D. revaughanii (Bois D') · D. revoluta (Black Apple) · D. rhombifolia (Diamond-Leaf Persimmon) · D. rumphii (Streaked Ebony) · D. sandwicensis (Lama) · D. sinensis (Chinese Persimmon) · D. sintenisii (Chinese Persimmon) · D. tessellaria (Black Ebony) · D. texana (Texas Persimmon) · D. tomentosa (Nepal Ebony) · D. vaccinioides (Small Persimmon) · D. virginiana (American Persimmon) · D. virginiana 'Campbell Nc10' (American Persimmon) · D. virginiana 'John Rick' (American Persimmon) · D. virginiana 'Meader' (American Persimmon) · D. virginiana 'Peiper' (American Persimmon) · D. virginiana 'Prok' (American Persimmon) · D. virginiana 'Ruby' (American Persimmon) · D. virginiana 'Szukis' (American Persimmon) · D. virginiana 'Yates' (American Persimmon)

More Info

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Further Reading

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Notes

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Contributors

Data Sources

Accessed through GBIF Data Portal November 13, 2007:

Identifiers

Footnotes

  1. Shugang Li, Michael G. Gilbert & Frank White "Ebenaceae". in Flora of China Vol. 15 Page 215. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  2. "Diospyros". in Flora of China Vol. 15 Page 215. Published by Science Press (Beijing) and Missouri Botanical Garden Press. Online at EFloras.org. [back]
  3. "Diospyros lotus". in Flora of China Vol. 15 Page 224. Missouri Botanical Garden Press. Online at EFloras.org. [back]
  4. Mean = 712.330 meters (2,337.041 feet), Standard Deviation = 868.420 based on 12 observations. Altitude information for each observation from British Oceanographic Data Centre. [back]
Last Revised: 7/15/2012