Callicarpa pedunculata R.Br.

First published in Prodr. Fl. Nov. Holland.: 513 (1810)
This species is accepted
The native range of this species is Tropical & Subtropical Asia to E. Australia. It is a shrub or tree and grows primarily in the wet tropical biome.


IUCN Red List of Threatened Species

LC - least concern

Bramley, G.L.C. 2013. The genus Callicarpa (Lamiaceae) in the Philippines. Kew Bulletin 68: 369.

Type: Australia, Coast of Northern Queensland, 1802 – 5, R. Brown s.n. [J. J. Bennett 2331] (lectotype BM, selected by Munir (1982: 30) isolectotypes E, K, MEL n.v., NSW n.v.).
Morphology General Habit
Shrub to 5 m
Morphology Stem
Stems with an indumentum of dense plumose hairs, the surface ± obscured when young, the indumentum thinning as stems mature, a slight interpetiolar ridge resembling a stipule scar present
Morphology Leaves
Leaves opposite, petiolate blades elliptic to narrowly elliptic to narrowly ovate, (2.5) 4.5 – 13.5 × (1.4) 2 – 6.5 cm, margins serrate to serrate-dentate, the teeth often with mucronate tips, apex shortly acuminate to acuminate to almost caudate, base shortly attenuate, cuneate, obtuse, less often rounded or truncate, sometimes slightly uneven, upper surface with erect stellate and branched hairs, evenly spaced, lower surface with an indumentum of dense stellate, branched and plumose hairs, either so interwoven and matted the lamina almost obscured, or less interwoven and the lamina visible, yellow sessile glands visible on the surface, sometimes with peltate scales scattered near the leaf base petioles (3) 5 – 12 mm, indumentum as stems
Morphology Reproductive morphology Inflorescences
Inflorescence axillary, or inserted 1 – 2 mm above axil, peduncles 8 – 21 mm long, indumentum as stem bracts linear, 1 – 3 mm long, inconspicuous pedicels 1 – 2 mm long, indumentum as stems bracteoles as bracts
Morphology Reproductive morphology Flowers Calyx
Calyx cupular, 0.5 – 1 mm long with 4 shallow to narrowly triangular lobes marked with thickened tips, outer surface with stellate and branched hairs, rarely so thick the surface obscured, also with yellow sessile glands, inner surface ± glabrous
Morphology Reproductive morphology Flowers Corolla
Corolla purple, 2 – 3 mm long, divided into 4 lobes c. 0.5 mm long, the edges of the lobes with tiny papillae, outer surface glabrous, rarely with a few stellate hairs on the lobes, also with yellow sessile glands, inner surface ± glabrous
Morphology Reproductive morphology Flowers Androecium Stamens
Stamens 4 exserted for 1.5 – 3 mm, filaments 4 – 5 mm long, arising near the base of the corolla tube, anthers elliptic, 0.3 – 0.75 mm long with numerous yellow sessile glands where they attach to the connective, dehiscing through longitudinal slits
Morphology Reproductive morphology Flowers Gynoecium Stigma
Stigma capitate, c. 1 mm wide, surface glandular
Morphology Reproductive morphology Fruits
Fruit green, maturing purple or reddish-purple, c. 2 mm wide when mature (on dry specimen), outer surface glandular, subtended by calyx 4 1-seeded locules breaking up into 4 1-seeded pyrenes.
Thailand, Laos, Vietnam, Hainan, China, Taiwan, Okinawa island, Moluccas, Philippines, New Guinea, Australia. Map 5.
Secondary and primary forest forest edges and grasslands.
LC across its distribution.
Callicarpa pedunculata is one of few species in the genus with an extensive distribution in the Flora Malesiana region, although it is not present in Sumatra, Java and Borneo, unlike the two mostly widely distributed species, C. pentandra and C. longifolia. As found in the latter two species, there is significant variation in leaf shape within C. pedunculata, as well as a large number of synonyms. Callicarpa pedunculata is most likely to be confused with C. caudata or C. rubella, from which it differs by its generally wider leaves and lack of glandular hairs it also bears a resemblance to C. longifolia, but its inflorescence is more compact, its petioles shorter relative to its peduncles, and its fruits mature purple-pink, not white. C. blancoi is newly treated as a synonym here, but does represent a form with leaves smaller than is typical (e.g. L. Escritor Bur. Sci. 21155 leaves 2.5 × 1.5 cm, peduncles 5 mm). C. obtusifolia is tentatively placed into synonymy here: although its indumentum is thicker than is typical, including plumose hairs, and its leaf apex is barely acuminate, it shares all other characters with C. pedunculata. Munir (1982) lists Callicarpa cuspidata as a synonym of C. pedunculata, citing an un-numbered Heyne collection as its type, although he did not see the specimen and is unsure of its location. Given this uncertainty, I cannot be sure to what this name applies, so am listing C. cuspidata under doubtful names here (see also under C. caudata).


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