Pacific Island Ecosystems at Risk (PIER)

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Clerodendrum incisum
Klotzsch, Lamiaceae
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Present on Pacific Islands?  no

Primarily a threat at high elevations?  no

Risk assessment results:  Evaluate, score: 1 (Go to the risk assessment).

Other Latin names:  Clerodendrum macrosiphon Hook. f.; Rotheca incisa (Klotzsch) Steane & Mabb.

Common name(s): [more details]

English: morning-kiss, musical-notes

Habit:  shrub

Description:  "Suffrutex or a 2-5-stemmed shrub up to 1.6 (2.5) m high; stems erect, straight, 2-3.5 mm thick at the base, terete, simple to few-branched, rarely much branched, shortly hairy, more sparsely so towards the base, with hairs patent, whitish to ferruginous. Leaves opposite or 3-whorled; lamina 1.7-15.5 (20) x 1.2-7.5 (6.8) cm, sometimes unequal at the same node, longer than the internodes, elliptic to lanceolate, rarely obovate, acute to acuminate or tapering attenuate at the apex, sometimes nearly caudate, long attenuate-cuneate towards the base, tapering into a subpetiole, entire or usually coarsely and irregularly serrate-dentate to pinnatilobed with 1-7 teeth or lobes on each side, the teeth large, broadly triangular and acute to subobtuse, or small, short and acute in smaller leaves, the largest teeth or segments sometimes 1-2-dentate, the blade membranous, usually slightly discolorous, drying darker mainly above, shortly pubescent with scattered thin hairs above, more densely so beneath mainly on the nerves; petiole usually not distinct from the narrowly attenuate leaf base; short branchlets sometimes present with 1 to few pairs of small, entire or few-dentate leaves. Cymes in condensed 5-18-flowered inflorescences, terminal on stem and main lateral branches, sometimes also axillary below to the terminal inflorescence forming a racemose leafy inflorescence; peduncles up to 2 cm long; apparent pedicels 2.5-8 mm long; bracts and bracteoles 2-3 mm long, linear to spathulate. Calyx 4.5-5 mm long, cupular, pubescent; lobes 1.5-2 mm long, narrowly triangular, acute. Buds with globose limb. Corolla white; tube 5-11.25 cm long, with short gland-tipped hairs, corolla tubes borne erect and ± parallel in the same inflorescence; limb 2.5 x 2 cm, lobes 8-15 x 4.5-7 mm, oblong, glabrous or with sparse to dense gland-tipped hairs mainly when in bud. Style purple and white, anthers purple, filaments crimson. Style and filaments exserted for 3-5 cm. Fruit depressed-globose, 7 x 9 mm, 3-4-lobed, glabrous"  (Flora Zambesiaca online).

Habitat/ecology:  "Understorey of well developed Brachystegia woodland and evergreen forest, dense coastal dune-thickets, on sandy and compact red soils. Sometimes grown as a garden ornamental; 5-1000 m"  (Flora Zambesiaca online).

Propagation:  Seed

Native range:  Eastern Africa (Kenya, Mozambique, Somalia, Tanzania, Zimbabwe); widely cultivated in the tropics (GRIN).


Pacific Rim
Country/Terr./St. &
Island group
Location Cited status &
Cited as invasive &
Cited as cultivated &
Cited as aboriginal introduction?
Reference &
Australia (continental)
Australia (continental) introduced
Randall, R. P. (2007) (p. 119)
Singapore (Republic of) introduced
Chong, Kwek Yan/Tan, Hugh T. W./Corlett, Richard T. (2009) (p. 141)
As Rotheca incisa (Klotzsch) Steane & Mabb.

Control:  If you know of control methods for Clerodendrum incisum, please let us know.

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This page was created on 14 DEC 2012 and was last updated on 20 DEC 2012.