Dimocarpus longan

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Dimocarpus longan

Description

Trees, exceptionally shrubs, up to 30(-40) m high, dbh up to 30(-80) cm, buttresses up to 2 m high. Leaves 2-4(-6)-jugate, axial parts variably, mostly densely hairy; Inflorescences 8-40 cm long, densely tufted-tomentose; Sepals 2-5 by 1-3 mm, inside at least partly variably short-hairy. Petals 5, broadly to narrowly spathulate, 1.5-6 by 0.8-2 mm, both sides for the greater part densely woolly (big ones) to subglabrous (small ones), apex especially inside if not woolly with sessile glands. Stamens: Fruits:

Distribution

Asia-Temperate: Hainan (Hainan present); Taiwan (Taiwan present), Asia-Tropical: India present; Jawa (Jawa present); Lesser Sunda Is. absent; New Guinea present; Sri Lanka (Sri Lanka present), S China present, continental Asia present
Continental Asia from Sri Lanka and India to S China, Hainan, and Taiwan, and Malesia (in Java and New Guinea probably only naturalized; not seen from the Lesser Sunda Islands).

Cytology

2n = 30:

Uses

For a description of the timber, see p. 427.

Citation

Hiern 1875 – In: Hook. f., Fl. Br. India 1: 688
Groff 1921: Lychee and Longan
Ridley 1922 – In: Fl. Malay Penins.: 499
Merr. 1935: Comm. Lour.: 248
Lour. 1793 – In: Fl. Coch., ed. 2: 288
Merr. 1912: Fl. Manila: 305
Allen 1967: Malayan Fruits: 179: f. 65
Merr. 1923 – In: Enum. Philipp. Flow. Pl.: 503
Radlk. 1932 – In: Engl., Pflanzenr. 98: 909
Griff. 1930: Dispersal: 341
Lam. 1917: Int. Rumph.: 338
Leenh. 1971 – In: Blumea: 122
J. Knight: pp. 400-502. – In: Trans. Hort. Soc.: t. 28(bis)
Radlk. 1932 – In: Engl., Pflanzenr. 98: 898
Lecomte 1912 – In: Fl. Indo-Chine: 1046
auct. non Desfont.: Blanco 1845: Fl. Filip., ed. 2: 199
Kanjilal & Das 1936 – In: Fl. Assam: 323
Merr. 1923 – In: Enum. Philipp. Flow. Pl.: 503
Hassk. 1844 – In: Tijd. Nat. Gesch. Phys.: 213
Backer 1911: Schoolfl. Java: 265
Kurz 1876 – In: J. As. Soc. Beng.: 187
Backer & Bakh. f. 1965 – In: Fl. Java: 137
Lui 1962 – In: Illustr. Lign. Pl. Taiwan: 908
Ridley 1922 – In: Fl. Malay Penins.: 502
Corner 1940: Wayside Trees: 592: t. 179
Hiern 1875 – In: Hook. f., Fl. Br. India 1: 689
Douglas & Baas Becking 1947: 287, 289. – In: Bull. Jard. Bot. Buitenzorg: t. 7
Backer & Bakh. f. 1965 – In: Fl. Java: 136
auct. non Desfont.: Blanco 1878 – In: Fl. Filip., ed. 3: 8
Lindi. 1835 – In: Bot. Reg.: t. 1729
Radlk. 1932 – In: Engl., Pflanzenr. 98: 905
Radlk. 1932 – In: Engl., Pflanzenr. 98: 905