A JOURNAL ON TAXONOMIC BOTANY
PLANT SOCIOLOGY AND ECOLOGY

REINWARDTIA

Editors
SOEDARSONO RISWAN

MIEN A RIFAI
ELIZABETH A. WIDJAJA

Published by
HERBARIUM BOGORIENSE

BALAI PENELITIAN DAN PENGEMBANGAN BOTANI
PUSAT PENELITIAN DAN PENGEMBANGAN BIOLOGI — LIPI

BOGOR, INDONESIA

Reinwardtia Vol. 11, Part 1, 1 - 55 5 February 1992

IO ISSN 0034 - 365 X



REINWARDTIA

Vol. 11, Part 1, pp. 53(1992)

SALACIA ACUMINATISSIMA KOSTERM., SPEC. NOV. (CELASTR )
FROM SRI LANKA

A.J.G.H. KOSTERMANS

Herbarium Bogoriense, Bogor, Indonesia

ABSTRACT

Description is provided for a rare new species of Salacia.

ABSTRAK

Pertelaan dikemukakan untuk jenis baru Salacia yang jarang.

Salacia acuminatissima Kosterm., spec. nov.

Liana, ramulis tenuibus griseis, ad nodqs sub-jncrassatis, foliis oppositis
coriaceis glabris ellipticis conspicue acuminatis basi breve cuneatis supra lae-
vibus subtus laxe obscure inconspicue reticulatis, costis 5-paribus filiformi-
bus, floribus axillaribus minutis, fructus ellipsoideus, apice acumen curvatis
conspicuis munitis.

T Y P U S : Gunatilleke s.n. (PDA).
Woody climber, 10 m long, glabrous in all its parts, diam. ca. 3 cm

Bark smooth, greyish. Branchlets thin, slightly thickened at the nodes.
Leaves opposite, coriaceous, elliptic, 2 x 4.5 — 2.5 x 6 — 3 x 5 cm, rather
broadly distinctly acuminate with blunt tip, base shortly cuneate; above
smooth, midrib thin, prominulous, ribs ca. 5 pairs, erect-patent, filiform.
Flowers white to greenish white, axillary on strongly reduced, up to 2 cm
long branches. Pedicels slender, 3 mm long. Sepals depressed orbicular, stiff,
1—1.5 mm long. Petals spathulate, twice as long; ovary brownish green, fruit
ellipsoid, 1.5 x 2.5 cm, apically narrowed into a long, bent, sharp acumen,
5 mm long.

DISTRIBUTION : Sinharaja Forest, S.W. Sri Lanka, wet evergreen iorest
alt. 200 m. Only known from the type locality.

The climber was pointed out to me by Dr. Nimal Gunatilleke of the
Paradeniya University. I visited the place and tried — in vain — to discover
another specimen. The species is outstanding because of the bent, sharp,
long fruit acumen, quite different from that of other Salacia species of
Sri Lanka.

Sri Lanka, Sinharaja forest, near tree 57 (Gunatilleke's number), fl-fr Gunatilleke
s.n. (private collection); same plant, Febr., buds, Kostermans 27302 (AARH, BO,
G.K.P).



CONTENTS

Page

ROCHADI ABDULHADI Seed banks in a sub-tropical rain forest 1

ROCHADI ABDULHADI Floristic changes in a sub-tropical rain forest
succession 13

A.J.G.H. KOSTERMANS Two remarkable Lindera species (Lauraceae)
probably representing an undescribed genus 23

A.J.G.H. KOSTERMANS A new species of Diplodiscus Turcz. (Tiliaceae)
related to Brownlowia Roxb 27

N. SASIDHARAN & K. SWARUPANANDAN A new species of Cassine
(Celastraceae) from India , 29

A.J.G.H. KOSTERMANS Reinstatement of Pterocarpus echinata Pers.
(Leguminosae — Papilionaceae) ., 33

JUMAAT H ADAM & GC. WlLCOCK. A new natural hybrid of Nepenthes
from Mt. Kinabalu (Sabah) 35

A.J.G.H. KOSTERMANS Durio macrantha Kosterm. species nova (Bom-
bacaceae) from North Sumatra 41

A.J.G.H. KOSTERMANS Salacia acuminatissima Kosterm., spec. nov.
(Celastraceae) from Sri Lanka 53

A.J.G.H. KOSTERMANS Identity of Dracontomelum petelotii Tardleu
-Blot (Anacard.) 55

Printed by

c v. Bina Karya


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