Tropicos | Name - Psychotria isalensis (Bremek.) A.P. Davis & Govaerts

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Madagascar > Gentianales > Rubiaceae > Psychotria > Psychotria isalensis

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English

Psychotria isalensis (Bremek.) A.P. Davis & Govaerts

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Project Name Data (Last Modified On 6/10/2009)

Acceptance : Accepted

Taxon Profile (Last Modified On 4/13/2018)

Distribution: Endemic to Madagascar

Lifeform/Habit: Shrub

Vegetation Formation: Forest

Elevation: 500-999 m, 1000-1499 m, 1500-1999 m

Bioclimate: Humid, Subhumid

Regions (Prov. Antananarivo): Analamanga, Vakinankaratra

Regions (Prov. Antsiranana): DIANA

Regions (Prov. Fianarantsoa): Amoron'i Mania, Ihorombe, Matsiatra Ambony, Vatovavy (excluding Fitovinany)

Regions (Prov. Toamasina): Alaotra-Mangoro, Analanjirofo, Atsinanana

Regions (Prov. Toliara): Anosy

Protected areas and other important sites: Alandraza Analavelo Sacred Forest (Analavelona), Ambatovy, Andringitra, Anjozorobe Angavo, Ankaratra - Manjakatompo, Isalo, Itremo/Ambatofinandrahana, Kalambatritra, Mantadia, Montagne d'Ambre (including Fôret d'Ambre), Ranomafana

Rarity: Known from more than 5 localities in Madagascar.

Type(s) of accepted name: H. Humbert - 19571 - none

Notes: This species is characterized by its somewhat slender habit; its rather small, oblanceolate, generally obtuse to rounded leaves with small but regularly developed domatia; its sitpules that are shortly united around the stem and have two well developed lobes on each side; its rather short to well developed peduncles with short, several-flowered, cymose inflorescences; its somewhat well developed calyx limb; its short yellow corollas; and its rather well developed, red, generally subglobose fruits. Psychotria isalensis is similar to Psychotria reducta and may not be distinct from that; see the discussion of these and other similar species under Psychotria reducta.