Cestrum

Night-blooming jessamine Cestrum nocturnum, from here.

Belongs within: Solanales.

Cestrum is a genus of trees and shrubs found in North and South America.

Characters (from Flora of China): Shrubs or trees, glabrous or pubescent with simple or branched hairs. Leaves solitary, simple, petiolate, entire. Inflorescences terminal or axillary, racemose or paniculate, sometimes clustered in leaf axils, often bracteate or bracteolate. Flowers 5-merous. Calyx campanulate or tubular. Corolla long tubular; tube sometimes expanded or contracted around anthers, sometimes pubescent abaxially; limb lobed, usually spreading. Stamens inserted at various levels in corolla tube; filaments sometimes pubescent or appendaged at or below point of insertion; anthers dehiscing longitudinally; disc mostly evident. Ovary 2-locular; ovules few to several, rarely to 20. Style slender; stigma entire or 2-lobed, rarely exserted. Fruit a berry, mostly white or blackish, globose, ovoid, or oblong, often juicy. Seeds 1 or several, oblong; embryo straight or slightly curved; cotyledons ovate, oblong and much wider than radicle, or cylindric.

<==Cestrum [Browallioideae, Cestroideae]
    |--C. aurantiacum HH03
    |--C. auriculatum HH03
    |--C. bicolor J87
    |--C. brevifolium J87
    |--C. coelophlebium J87
    |--C. diurnum HH03
    |--C. dolichopus J87
    |--C. elegans HH03
    |--C. filipes J87
    |--C. hediundinum HH03
    |--C. inclusum J87
    |--C. kunthii HH03
    |--C. laevigatum H06
    |--C. lanatum HH03
    |--C. latifolium HH03
    |--C. laurifolium HH0
    |--C. lorentzianum HH03
    |--C. macrophyllum HH03
    |--C. mononeurum J87
    |--C. nitidum HH03
    |--C. nocturnum HH03
    |--C. parqui HH03
    |--C. parviflorum HH03
    |--C. picardae J87
    |--C. pubescens HH03
    |--C. schlechtendalii HH03
    |--C. strigilatum HH03
    `--C. violaceum J87

*Type species of generic name indicated

REFERENCES

[H06] Henderson, L. 2006. Comparisons of invasive plants in southern Africa originating from southern temperate, northern temperate and tropical regions. Bothalia 36 (2): 201-222.

[HH03] Hernández, J. R., & J. F. Hennen. 2003. Rust fungi causing galls, witches’ brooms, and other abnormal plant growths in northwestern Argentina. Mycologia 95 (4): 728-755.

[J87] Judd, W. S. 1987. Floristic study of Morne La Visite and Pic Macaya National Parks, Haiti. Bulletin of the Florida State Museum – Biological Sciences 32 (1): 1-136.