Cestrum buttonberry
SolanaceaePotato Family

Flowering habit
Flowering habit
Fruit
Fruit
Fruiting habit
Fruiting habit



Identification
  - leaf glabrous with short petiole
  - tubular, cream-yellow flower
  - white fruit

Description: Weak shrub, to 5 m, with few branches; leaves spiraled, solitary, glabrous, petiole to 2 cm, grooved, twig at base of petiole cup-like and often with a small bulb on each side, blade to 7 x 16 cm, broadly elliptic to weakly ovate, acute, base obtuse to rounded, midvein expressed above and below, lateral veins 7-9, minutely expressed above, especially at mid-leaf, but sunken in a shallow trough, tertiary veins faintly impressed above, raised beleow, texture slightly fleshy, no distinct odor; inflorescence 3-13 cm, axillary and terminal, often at leafless nodes; flowers with pedicels 0-1 mm, calyx 4 mm including 1 mm lobes, corolla yellow green, tube 18-19 mm, lobes 7-8 mm, pale green-white, glabrous inside, pubescent on margins outside; fruit to 13 mm long, white and spongey, apex dimpled; seed to 3.5 x 5 mm, dark brown, surface angled and minutely pebbled.

Similar species
Cestrum longpetiole
Cestrum nuboso
Cestrum lanceleaf

Local distribution: Pacific slope from 1000 to 1650 m, Atlantic slope at 1300 to 1600 m.

Species range: Costa Rica

Habitat: Cloud forest and wetter sites in Premontane wet forest, open understory and edge.

Herbivores
Greta anette
Greta polissena

Phenology: Flower: feb-mar, jul. Fruit: mar-jul, nov.

Pollinators: Moths

Seed dispersers: Birds

Comments: This species is shade-tolerant and frequently occurs in forest understory.



Credits: Images and text copyright 2002-2006 by William A. Haber, http://efg.cs.umb.edu/