Flora of North America species comparison

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Plumeria obtusa

singapore graveyard flower
Habit Trees 3–10 m.
Leaves

petiole 10–40 mm, glabrous;

blade obovate or oblanceolate to obovate-oblong, 3.5–18 × 1–8.5 cm, coriaceous or subcoriaceous, base rounded, obtuse, or cuneate, apex rounded, emarginate or mucronate, surfaces glabrous.
Peduncles

6–10 cm, glabrous.
Pedicels

5–12 mm, glabrous.
Flowers

calyx lobes ovate to deltate, 1–1.5 mm, glabrous;

corolla glabrous abaxially, eglandular-pubescent adaxially, tube 9–20 × 1–1.5 mm, lobes ascending-spreading, obliquely obovate-oblong or obovate, (15–)25–35(–45) × 10–15 mm.
Seeds

body 10–15 × 7–10 mm, wing 8–13 mm.
Follicles

6.5–24 × 1–2 cm.
2n

= 36.

Plumeria obtusa
Phenology Flowering summer–fall; fruiting fall–winter.
Habitat Coastal hammocks, pinelands.
Elevation 0 m. [0 ft.]
Distribution
from FNA
FL; West Indies; Central America (Guatemala, Honduras) [Introduced in North America]
[BONAP county map]
Discussion

Plumeria obtusa is widely cultivated as an ornamental in southern Florida but has apparently only escaped from cultivation in disturbed coastal hammocks and surrounding pinelands on Big Pine Key in Monroe County.

An interesting case of deceitful pollination in Plumeria, in which hawkmoths are attracted to flowers that offer no nectar reward, was described by W. A. Haber (1984).

(Discussion copyrighted by Flora of North America; reprinted with permission.)
Parent taxa Apocynaceae > Plumeria
Name authority Linnaeus: Sp. Pl. 1: 210. (1753)
Source FNA vol. 14. Treatment author: David E. Lemke.
Web links 
Unless otherwise noted, all data comes from the online version of the Flora of North America, who have made most of their content available via a Creative Commons license (CC BY 4.0).



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