REINWARDTIA

Published by Herbarium, Bogoriense, Bogor, Indonesia
Volume 8, Part 1, pp. 13 — 15 (1970)

A NEW BORNEAN SPECIES OF CINNAMOMUM SCH.

A. J. G. H. KOSTERMANS
Herbarium Bogoriense, Bogor, Indonesia

Cinnamomum tahijanum Kosterm., spec. nov. — Fig. 1.

Arbor ramulis strictis perdense minutissime griseo tomentellis
foliis oppositis coriaceis ellipticis acuminatis basi aeutis supra laevia glabra
nervo mediano cum nerviis basalibus (acumine attingentibus) filiformis
prominulis subtus dense subadpresse sublanuginoso-tomentellis pilis per-
gracilis glabrescentibus nervo mediano nerviisque basalibus prominentibus
venis secundariis horizontalis parallelis prominulis venis submarginalis
adest petiolis bene evolutis paniculis pseudo-terminalis perdense minute
griseo tomentellis laxis strictis foliis aequilongis floribus sat magnis dense
pilosis filamentis pilosis glandulis stipitatis ovario glabro.

TYPUS: S. 15196 (BO).

Tree, diameter 35 cm; branchlets stiff, towards the apex densely,
minutely grey tomentellous; branches glossy. Leaves opposite, coriaceous,
elliptical, 4 x 14 — 6 x 19 cm, acuminate (acumen blunt, 1—2 cm long),
base acute; upper surface glossy, glabrous, smooth, midrib and basal
nerves slender, prominulous; lower surface dull, subglaucous, densely,
minutely, pale brown sublanuginose-tomentellous (hairs slightly crinkled,
glossy, extremely slender), glabrescent, midrib and the two basal nerves
(which reach the base of the acumen) prominent, more densely toment-
ellous; secondary nerves horizontal, filiformous, prominulous, parallel; a
submarginal, slender nerve connects the secondary lateral veins. Petiole
7—10 mm long, flattened above; densely pilose.

Panicles axillary and pseudo-terminal, stout, stiff, densely grey
sublanuginose-tomentellous, up to 20 cm long, with stout, up to 10 cm
long peduncle and few, stiff, rather patent, rather thick branches (the
lowest one up to 7 cm long), which bear two, rather patent secondary
branchlets. Pedicel 3—5 mm long. Flowers 4 mm long, densely grey sub-
sericeous ; tube less than 1 mm high; tepals rather thick, ovate, acutish,
3 mm long, inside densely silvery sericeous; filaments 0.75—1 mm, pilose
at base; anther 1 mm, narrowly oval, upper cells smaller than the lower
ones; inner anthers narrower, basal glands oblong, stipitate; staminodes
narrowly ovate, stipitate, 0.75 mm; ovary ovoid, 1 mm; style conical,
1 mm; stigma inconspicuous.

— 13 —



1 4 R E I N W A R D T I A [ V O L .

This beautiful tree is named in honour of Mr. Julius Tahija, Chair-
man Managing Board of the P.T. Caltex Pacific Indonesia, Djakarta, who
donated a substantial sum to the Herbarium Bogoriense, Bogor, for the
preservation of the material, deposited in that worldwide known Institute
and whose wife is immensely interested in plants and in maintaining a
beautiful garden upcountry off Bogor.

BORNEO. Sabah, Sipitang,-UIu Moyah, 8 m. S. S. E. of Malaman, alt. 160 m, Sept.,
young fi\, San 16268 (A, BO, BRI, K, KEP, L, SING), tree 12 m tall; Ranau, Soso-
podon, alt. 1500 m, March, young fr., San 34508 (SAN, SING), tree 16 m, diam.
12,5 cm, outer bark greenish, cup hemispheric with persistent tepals; ibid., 1400 m
a l t , Kundasang, Nov., buds, San 271,91 (BO, SAN, SING), tree 12 m, diam. 25 cm,
bark scaly, lenticellate; Ranau, Lakong, Malumad, alt. 1100 m, Nov., young fr., San
18804 (SAN, SING); Mt. Kinabalu, Ulu Liwagu and Ului Mesilau, alt1. 1300 m, Sept.,
fl., Chew, Come)-, Stainton 2687 (BO, K), tree 10 m, fls. cream; yellowish; Sarawak,
Semengoh For. Res., Kuching, alt. 100 m, Aug., fl., S. 14956 (A, BO, K, L, SING) ;
ibid., Oct. after anthesis, S. 15196 (A, BO, K, L, SING).



1970] 15

Fig. 1. Cinnamomum tahijanum Kosterm. (after S. 15027).