Statut pour la Guyane française
Feuillet, C. 2009. Checklist of the plants of the Guiana Shield. 1. An update to the Angiosperms. Journal of the Botanical Research Institute of Texas, 3(2): 799-814. : 808 [GF = P]

 

Date de publication : Bull. Torrey Bot. Club, 75(5): 533-534. 1948 [09-10/1948; 11/10/1948 fide Tropicos].

Description originale : Myrcia tafelbergica Amsh. sp. nov. (V 6). Frutex vel arbor parva. Ramuli juniores dense rufo-velutini. Folia ovata vel oblonga, basi obtusa, acuta vel rotundata, apice acuminata, 2-8 cm. longa 1-3.5 cm. lata, juniora sparse pilosa, adulta costa excepta glabra, coriacea, in sicco ± rugosa, costa supra impressa, subtus prominente, nervis lateralibus venisque obsoletis. Petiolus robustus, 5 mm. longus. Paniculae axillares et subterminales, rufovelutinae, pauciflorae, usque ad 4 cm. longae. Flores 7-9 mm. in diametro; receptaculum extus sericeum; sepala utrinque sericea; petala extus pubescentia. Ovarium 2-loculare disco sericeo terminatum. Bacca subglobosa, disperma, glabrescens, cotyledonibus plicatis, radicula elongata.
TYPE: frequent, shrub to 4 m. high, leaves opposite, acuminate, flowers white, extensive rock and pigmy bush openings, alt. 776 m., Savanna VIII, Maguire 24441. COTYPE: frequent, shrub to 3 m. high, leaves acuminate, flowers white, Savanna VIII, Tafelberg, 776 m. alt., Maguire 24572. SURINAM: frequent, small tree in open low bush between camps 2 and 1, Tafelberg 24647; small tree, low bush, Savanna II, 24235; frequent, shrub to 3 m., leaves acuminate, flowers white, Savanna II, 24233; tree in moeri-moeri, Geyskes 988 fr. (U). Closely allied to M. Schomburgkiana Berg, the latter species differing by its narrower leaves with acuminate base, prominulous venation, slender petiole, and, as far as known, by its narrowly ellipsoid, 1-seeded fruit.

Distribution : Endémique du plateau des Guyanes, semble très locale et connue d'une poignée de localité seulement: Guyana (région des monts Pakaraima), Suriname (Tafelberg, réserve du Suriname central [03°54'N 56°12'W]), Guyane française (Trois Pitons) (GBIF). En Guyane connue seulement du massif des Trois Pitons (Ouanary) où elle a été revue le 04/11/2020 par G. Léotard & O. Tostain (obs. pers.): Montagne des Trois Pitons, 08/08/1969, fleurs. Arbrisseau sous forêt, poussant sur les roches, de 1 m de haut. Ecorce blanchâtre, écailleuse. Feuilles vert clair de 4 cm de long. Inflorescence jaunâtre. R.A.A. Oldeman T-454, CAY097370 [Myrcia tafelbergica Amsh., "New for french Guiana", det. B.K. Holst, 2008], SEL).

Taxonomie : Les éléments actuels permettant le placement de ce taxon dans la sect. Aulomyrcia (O.Berg.) Griseb. 1860 sont équivoques (Lucas et al. 2016, p. 50).

Type : Suriname, Tafelberg, Savanna VIII, extensive rock and pigmy bush openings, 776 m, frequent, shrub to 4 m high, leaves opposite, acuminate, flowers white. B. Maguire 24441 (ST: K000344627, NY00405488, NY00405489, MO-313550, US00117776, V0065583F, V0065584F).
Suriname, Tafelberg, Savanna VIII, 776 m, frequent, shrub to 3 m high, leaves acuminate, flowers white. B. Maguire 24572 (PT: MO-1677502, US00659503, V0117909F).
Suriname, Tafelberg, small tree in open low bush between camps 2 and 1, frequent. 24647 (PT?: ).
Suriname, Tafelberg, Savanna II, low bush, frequent, small tree. 24235 (PT?: ).
Suriname, Tafelberg, Savanna II, frequent, shrub to 3 m, leaves acuminate, flowers white. 24233 (PT?: US00659502, V0117910F).
Suriname, tree in moeri-moeri, fruits, Geyskes 988 (PT?: U).