Clerodendrum macrostegium Schauer, Verbenaceae

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Present on Pacific Islands?  yes

Threat only at high elevations?  no

Common name(s): [more details]

English: velvetleaf glorybower

Habit:  shrub

Description:  "Large shrub or tree of up to 20 ft tall with large, velvety leaves, white and lilac flowers subtended by large, showy, lilac and pale green bracts. As the fruit matures the calyx becomes engorged, thickens and turns a dark glossy purple, splitting in to a star shape that presents the glossy, blue-black fruits" (Lorence & Flynn 1997, Wagner et al. 1999; p. 1895).

Habitat/ecology:  "Spread mainly occurs in warm, moist to wet, lowland areas and the invasive potential to natural areas is not yet fully known" (Starr et al., 2003).

Propagation:  Bird-dispersed fruits and root suckers (Starr et al., 2003).

Native range:  Philippines (Starr et al., 2003).

Presence:

Pacific
Country/Terr./St. & Island group	Location	Cited status & Cited as invasive & Cited as cultivated & Cited as aboriginal introduction?	Reference & Comments
State of Hawaii Hawaiian Islands	Kaua‘i Island	introduced invasive	Lorence, David H./Flynn, Tim (1997) (p. 12) Voucher cited: Nishek s.n. (PTBG)
State of Hawaii Hawaiian Islands	O‘ahu Island	introduced invasive cultivated	Daehler, Curtis C./Baker, Raymond F. (2006) (p. 11) Vouchers cited: K. Nagata 2876 (BISH), C. Daehler 1059 (BISH, HAW), G. W. Staples 827 (BISH)
Philippines Philippine Islands	Philippine Islands	native	U.S. Dept. Agr., Agr. Res. Serv. (2007)

Additional information:  Report (PDF format) from US Geological Survey, Biological Resources Division, Haleakala Field Station, Hawaii "Plants of Hawaii".

Additional online information about Clerodendrum macrostegium is available from the Hawaiian Ecosystems at Risk project (HEAR).

Taxonomic information about Clerodendrum macrostegium may be available from the Germplasm Resources Information Network (GRIN).

References:

Daehler, Curtis C./Baker, Raymond F. 2006. New records of naturalized and naturalizing plants around Lyon Arboretum, Mānoa Valley, O‘ahu. In: Evenhuis, Neal L. and Eldredge, Lucias G., eds. Records of the Hawaii Biological Survey for 2004-2005. Part 1: Articles. Bishop Museum Occasional Papers 87:3-18.

Lorence, David H./Flynn, Tim. 1997. New naturalized plant records for Kaua‘i. In: Evenhuis, Neal L. and Miller, Scott, E., eds. Records of the Hawaii Biological Survey for 1996. Part 2: Notes. Bishop Museum Occasional Papers. 49:9-13.

Starr, F./Starr, K./Loope, L. 2003. Plants of Hawai‘i Reports: Clerodendrum macrostegium. U.S. Geological Survey, Maui, Hawaii.

U. S. Government. 2006. Integrated Taxonomic Information System (ITIS) (on-line resource).

U.S. Dept. Agr., Agr. Res. Serv. 2007. National Genetic Resources Program. Germplasm Resources Information Network (GRIN). Online searchable database.

Wagner, Warren L./Herbst, Derral R./Sohmer, S. H. 1999. Manual of the flowering plants of Hawaii. Revised edition. Bernice P. Bishop Museum special publication. University of Hawai‘i Press/Bishop Museum Press, Honolulu. 1919 pp. (two volumes).