Taxon Profile:

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Family:

Ericaceae (Magnoliophyta)

Primary Citation:

Brittonia 38: 344. 1986

Accepted Name:

This name is currently accepted.

Common Names:

anonillo, arrayán, madroño

Description:

Type: Costa Rica. Cartago: Volcán Irazú, 25 Jun 1874 (bud, fl, im fr), Kuntze 2361 (holotype: NY, photo, Diggs neg. 5; isotype: US).

Description: Shrubs or small trees to 5 m; young twigs and petioles glabrous, often glaucous. Leaves glabrous below. Inflorescences glabrous or with slight pubescence. Flowers: calyx lobes, corollas, and ovary glabrous.

Distribution: Endemic to the Cordillera Central of Costa Rica, known only from the type locality, Volcán Irazú (Cartago Province), and two other sites (Palmira, Alajuela Province and Volcán Barba, Heredia Province), at ca. 2500-3430 m. It is an important component of the ericaceous scrub on the crater rim of Volcán Irazú and is abundant in the otherwise nearly barren areas of volcanic ash.

Phenology: Flowering and fruiting throughout the year.

Flora and Monograph Treatment(s):

Comarostaphylis arbutoides subsp. costaricensis (Small) Diggs: [Article] Luteyn, James L., et al. 1995. Ericaceae, Part II. The Superior-Ovaried Genera (Monotropoideae, Pyroloideae, Rhododendroideae, and Vaccinioideae P.P.). Fl. Neotrop. Monogr. 66: 560.