Heynea trijuga

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Heynea trijuga

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Description

Small tree to 15 m with airy crown and bole to 20 cm diam. but usually much smaller. Bark dark brown, lenticellate to grey and weakly cracking into irregular rectangles; inner bark whitish. Leaves to 50 cm long, (l–)3–5(–6)-jugate; petiole 5–15 cm, terete; leaflets 4.5–20 by 2–7.5 cm, ovate-oblong, articulated at petiolule apices, adaxial surface glabrous, shining, abaxial glabrous to hairy, glaucous; base asymmetric, rounded to acute; apex acuminate; veins 5–8 on each side, looping together but not reaching margin. Inflorescences foamy subcorymbose cymes to 50 cm across, axillary, peduncle over half as long, with 3–7 pairs of decussate branches, each with l–3(–4) orders of branchlets; bracts small, caducous. Flowers scented; pedicels c. 1.5–2 mm, each with 2 small persistent bracteoles. Petals oblong, c 0.7–1 mm wide, acute, often hairy without, white to pink or cream, margin sometimes ciliate. Filaments 8 or 10 (14) alternately long and short, adaxially strigose, sometimes puberulous abaxially, pink; anthers c. 1 mm, ovate, apiculate, ± glabrous, bright yellow, inserted between 2 linear acute glabrous teeth. Ovary glabrous. Capsule c. 1–2 cm diam., globose, pink. Seed 1, ovoid, almost covered in a white aril, testa dark brown, dangling from long funicie (Ashton).

Distribution

Asia-Tropical: Borneo present; Malaya (Peninsular Malaysia present); Philippines (Philippines present); Sumatera (Sumatera present), Sikkim to Nicobars and southern China present, but not Sri Lanka present
S India (but not Sri Lanka), Sikkim to Nicobars and southern China; MalesiaMalay Peninsula, Sumatra, Borneo, Philippines..

Uses

Long cultivated in Java, this is an extremely handsome tree suitable for town gardens (cf. Corner, 1940, 1988); it is cultivated under glass in Europe. Its leaves and bark are bitter and of medicinal value; the seeds are allegedly poisonous to some birds.

Citation

Merr. 1927: p. 104. – In: Lingn. Sc. J.: incl. var. microcarpa
Osmaston 1927: For. Fl. Kumaon: 87
Drury 1864 – In: Handb. Ind. Fl.: 166
T.P. Clark & Mabb. 1991: Nat. Monsp., h.s.: 583
Chitt. 1951 – In: Dict. Gard.: 993
Brandis 1874: For. Fl.: 70
Corner 1940: p. 462. – In: Wayside Trees: incl. var. multijuga
Kosterm. 1969 – In: Reinwardtia: 438
Baker f. 1924 – In: J. Bot.: 20
Crev. & Lem. 1917: p. 230. – In: Cat. Prod. Indoch.: t. 84, incl. var. microcarpa
Kitam. 1955 – In: Kihara, Fauna & Fl. Nepal: 170.
C.DC. 1878: p. 713. – In: DC., Monogr. Phan. 1: t. 9, f. 6, incl. var. bijuga C.DC, var. multijuga C.DC & var. pilosula C.DC
Mabb. 1989 – In: Tree Fl. Malaya: 251
Voigt 1845: Hort. Suburb. Calc.: 135
Cooke 1902 – In: Fl. Bomb.: 214
Ridley 1922 – In: Fl. Malay Penins.: 413.
King 1895 – In: J. As. Soc. Beng.: 86
Bedd. 1869: p. 134. – In: Fl. Sylv. Madras: t. 134.
G.Don 1831 – In: Gen. Syst.: 685
A. Juss. 1832 – In: Mém. MUS. Hist. Nat. Paris: 235, 275
Harms 1896 – In: Engl. & Prantl, Nat. Pflanzenfam. 3,4: 303
Kurz 1875 – In: Prel. Rep. Veg. Pegu App.: 37.
C.DC. 1878 – In: DC., Monogr. Phan. 1: 714
Walp. 1342 – In: Rep.: 432
Craib 1931: p. 264. – In: Fl. Siam. Enum.: incl. f. pubescens (Kurz) Craib
Miq. 1868 – In: Ann. Mus. Bot. Lugd.-Bat.: 60
Debnath & Sreek. 1992 – In: J. Econ. Tax. Bot.: 219.
Pierre 1897 – In: Fl. For. Cochinch.: inci. var. microcarpa Pierre
Harms 1941 – In: Notizbl. Bot. Gart. Berl.: 472
Drury 1864 – In: Handb.: 166.
Voigt 1845: Hort. Suburb. Calc.: 135
Gagnep. 1947: p. 63. – In: Not. Syst.: incl. var. velutina Gagnep.
Merr. 1923 – In: Enum. Philipp. Flow. Pl.: 380
Roxb. 1820: p. 56. – In: Pl. Coast Corom.: t. 260
Pellegr. 1911: p. 791. – In: Fl. Indo-Chine: incl. var. microcarpa
Miq. 1868 – In: Ann. Mus. Bot. Lugd.-Bat.: 61.
Brandis 1906: Indian Trees: 134: f. 64
Drury 1864 – In: Handb. Ind. Fl.: 166
Merr. 1909 – In: Philipp. J. Sc, Bot.: 273
Harms 1940: p. 117. – In: Engl. & Prantl, Nat. Pflanzenfam., ed. 2, 19bl: incl. var. microcarpa
Dunn 1911 – In: J. Linn. Soc., Bot.: 455
Wight & Arn. 1834 – In: Prodr.: 121
Juss. 1832: p. 235. – In: Mém. Mus. Nat. Hist. Nat. Paris: t. 7, f. 17
Talbot 1894: Trees Bomb.: 42
A. Juss. 1831 – In: Linnaea: 113
A. Juss. 1832 – In: Mém. Mus. Nat. Hist. Nat. Paris: 235
Miq. 1868 – In: Ann. Mus. Bot. Lugd.-Bat.: 61
Hô 1992: p. 507. – In: III. Fl. Vietnam: incl. var. microcarpa.
DC 1824 – In: Prodr.: 624
Dalz. & Gibs. 1861: Bomb. Fl.: 38
Hô 1992: p. 488. – In: III. Fl. Vietnam: incl. f. glabra Bentv.
Fyson 1920 – In: Fl. Nilgiri: 303
Basu 1918: Ind. Med. Pl.: t. 226
Koord. & Valeton 1896 – In: Bijdr. Booms. Java: 4
Corner 1988: Wayside Trees, ed. 3: 508
Ridley 1922 – In: Fl. Malay Penins.: 413
Kurz 1877 – In: For. Fl. Burma: 225.
Wight 1834 – In: Prodr.: 148
Hiern 1875 – In: Hook.f., Fl. Brit. India 1: 565
Merr. 1921: Enum. Born. Pl.: 323
Kurz 1810 – In: J. As. Soc. Beng.: 72
Roxb. 1832 – In: Fl. Ind., ed. Carey: 390
J.Graham 1839: Cat. Pl. Bombay: 31
Theob. 1883: p. 585. – In: Mason, Burma, ed. 3, 2: incl. var. ‘genuina’ & var. pubescens
Kurz 1877 – In: For. Fl. Burma: 225
Elmer 1937 – In: Leafl. Philipp. Bot.: 3382.
H.J. Lam 1932 – In: Bull. Jard. Bot. Buitenzorg: 422.
Backer 1911: Schoolfl.: 216
Adelb. 1948 – In: Blumea: 322