Willughbeia angustifolia

Description

Branchlets glabrous, very rarely minutely puberulent; Leaves: Inflorescence axillary, rarely up to 3 in one leaf axil; Sepals ovate, 0.9-1.8 mm long, lobes 0.5-1 by 0.4-0.7 mm, 1-2.5 times as long as wide, apex obtuse to acuminate, glabrous, ciliate. Stamens inserted at 0.6-1.7 mm from corolla base which is 0.4-0.63 of tube length; Ovary 0.5-0.8 mm high; Fruit globose to ovoid, 1.9-14 by 1.9-14 cm, pale green, yellow, orange or reddish. Seeds 1.2-2.4 by 0.6-1.4 by 0.6-1.1 cm.

Distribution

Asia-Tropical:, Borneo present; India present; Malaya (Peninsular Malaysia present, Singapore present); Maluku (Maluku present); Sumatera (Sumatera present) Buru: present Nicobar Islands: present southern Thailand: present
India (Nicobar Islands), Southern Thailand; in Malesia: Sumatra, Peninsular Malaysia, Singapore, Borneo, Moluccas (Buru).

Morphology

This species is very variable in leaf shape, size and venation. It can readily be distinguished from the other species of Willughbeia by its combination of a small inflated corolla tube and short delicate inflorescence.

Uses

Produces a poor quality rubber. The stems can be used for binding and the fruits are edible. The latex can also be used to treat ulcers.

Citation

I.M. Turner - in Gard. Bull. Singapore. 1993: 37
Ridl. - in Fl. Malay Penins. 1923: 325
Masam., Enum. Phan. Born. 1942: 626
Posth. - in Leidse Geol. Meded. 1931: 503
Markgr. - in PROSEA. 2000: 133
Hallier - in Jahrb. Hamburg Wiss. Anst. 1900: 144
I.M. Turner - in Gard. Bull. Singapore. 1993: 37
Miq. - in Bull. Inst. Bot. Buitenzorg. 1900: 6
Markgr. - in Blumea. 1973: 414
Coode et al., Checklist Pl. Brunei. 1996: 29
K. Heyne, Nutt. Pl. Ned.-Ind.,, ed. 2. 1927: 1272
Boerl. - in Handl. Fl. Ned. Ind. 1899: 392
D.J. Middleton - in Fl. Thailand. 1999: 19
King & Gamble - in J. Asiat. Soc. Bengal. 1907: 398
I.M. Turner - in Gard. Bull. Singapore. 1997: 130
Markgr. - in Blumea. 1973: 409
D.J. Middleton - in Blumea. 1993: 4
Tsiang - in Sunyatsenia. 1934: 94

Synonymy

Willughbeia angustifolia (Miq.) Markgr. in Blumea 20: 414. 1973
  • Vahea angustifolia Miq. in Fl. Ned. Ind. 2: 394. 1857
    • Isotype: Diepenhorst 2088 (L).
    • Lectotype: Diepenhorst 2088 (U).
    • Type: Diepenhorst 2088.
  • =Willughbeia apiculata Miq., Eerste Bijv.: 227, 551. 1861
    • Isotype: Diepenhorst 2140 (L).
    • Lectotype: Diepenhorst 2140 (U).
    • Type: Diepenhorst 2140.
  • =Willughbeia rufescens Dyer ex Hook.f. in Fl. Brit. India 3: 326. 1882
  • Ancylocladus rufescens (Hook.f.) Kuntze in Revis. Gen. Pl. 1: 412. 1891
  • Willughbeia flavescens var. rufescens Ridl. in Fl. Malay Penins. 2: 325. 1923
  • Urnularia rufescens (Hook.f.) Stapf ex S. Moore in J. Bot. 63: 67. 1925
  • Willughbeiopsis rufescens (Hook.f.) Rauschert in Taxon 31: 556. 1982
    • Isotype: Maingay 1092 (K).
    • Lectotype: Maingay 1092 (K).
    • Type: Maingay 1092.
  • =Chilocarpus brachyanthus Pierre, Bull. Mens. Soc. Linn. Paris: 101. 1898
    • Isotype: Beccari 307 (M).
    • Type: Beccari 307 (NY).
    • Lectotype: Beccari 307 (P).
    • Type: Beccari 307 (S).
    • Type: Beccari 307.
  • =Willughbeia elmeri Merr. in Univ. Calif. Publ. Bot. 15: 253. 1929
    • Isotype: Borneo, Sabah, Tawao., Elmer 21038 (A).
    • Lectotype: Borneo, Sabah, Tawao., Elmer 21038 (BM).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (BR).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (G).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (GH).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (K).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (L).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (M).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (MICH).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (MO).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (NY).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (P).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (S).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (SING).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (U).
    • Type: Borneo, Sabah, Tawao., Elmer 21038 (Z).
    • Type: Borneo, Sabah, Tawao., Elmer 21038.
  • =Willughbeia angustifolia var. gracilior Markgr. in Blumea 20: 414. 1973
    • Isotype: Endert 3562 (A).
    • Type: Endert 3562 (BO).
    • Type: Endert 3562 (K).
    • Lectotype: Endert 3562 (L).
    • Type: Endert 3562.
  • =Melodinus baueri auct. non Endl.: Leeuwenb. in Syst. Geogr. Pl. 73: 19. 2003
  • =Melodinus orientalis auct. non Blume: Leeuwenb. in Syst. Geogr. Pl. 73: 42. 2003