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Conservatoire et Jardin botaniques de la Ville de Genève

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Monographia Aquifoliacearum - Loizeau Pierre-André & Gabrielle Barriera


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Aquifoliaceae of Neotropics

Loizeau P.-A. & G. Barriera


Ilex suprema Cuatrec.

Habit, vegetative morphology.— Tree or shrub, evergreen, 2.5–8 m tall. Current year's branchlets glabrous. Branchlets older than one year smooth or furrowed or rough, greyish or brownish, glabrous. Lenticels on current year's branchlets absent or hardly visible. Internodes 0–0.2 cm. Stipules persistent, deltoid or linear-triangular, 0.5–1 mm. Petiole glabrous, smooth surface, 1–4 mm. Lamina elliptic or obovate, orbiculate (1:1) or oblong (1:2), 0.7–2.2 X, 0.5–1.5 cm, coriaceous, glabrous abaxially. Base cuneate or acute or obtuse. Apex rounded or obtuse, mucronate or not mucronate. Apex rounded. Margin revolute (au moins à la base), dentate, teeth inconspicuous or conspicuous. Teeth 3–9 ca., on the distal half of the margin. Midbrid adaxially impressed, glabrous. Midbrid abaxially raised, glabrous. Secondary veins abaxially evident, 4–6 pairs. Tertiary veins abaxially obscure. Ponctuation abaxiallly present.

Inflorescences.— Solitary dichasium.

Male flowers.— Cymes of order 1. Peduncles glabrous. Peduncles of order 1 5–7 mm. Pherophylls of order 1 at 7–9 tenth from the base. Pherophylls of order 1 opposite, deltoid, glabrous, 0.6–0.8 mm, margin entire. Male flowers 5–6 -merous (6?), white. Calyx glabrous, 4–5 mm in diam., margin entire (irrégulière). Corolla 3–4 mm, petals connate on, petals 30–40 % of their length. Apex margin entire. Stamens at the anthesis equal to corolla. Rudimentary ovary subglobulous or flattened, glabrous.

Female flowers.— Cymes of order 1 (à 2 selon CUATRECASAS 1949). Peduncles glabrous. Peduncles of order 1 3–5 mm. Pherophylls of order 1 at 3–7 tenth of the base. Peduncles of order 2 2.5–3.5 mm (?). Bracts deltoids or linear-triangulate (spatulée !, en fait une feuille mal développée), glabrous, 3–5 mm, margin entire. Pherophylls of order 1 opposite, deltoids or linear-triangulate, glabrous or pubescent (quelques poils), 0.5–2.5 mm, margin entire or margin ciliate. Female flowers 5–6 -merous, white (avec l'apex violacé). Calyx glabrous or pubescent (quelques poils), margin entire or margin ciliate or dentate, 3.7–5 mm in diam. Corolla 3.5–5 mm, petals connate on, petals 30–40 % of their length. Apex margin entire (possibly beaded) (papilleuse). Staminodes sagittate, glabrous. Ovary spherical or flattened, glabrous, stigma mamillate or capitate, stigma glabrous.

Fruits.— Fruit black (selon CUATRECASAS 1949), spherical or flattened, 3.5–8 mm in diam. (huit selon CUATRECASAS 1949), 3.5–7 mm.

Distribution, ecology.— South America, Colombia Ecuador Peru, 2740–3750 m, "Bosque" andin de pérennes et décidues: prairie humide dominée par des Chusquea (Pérou). Matorrales de Páramo, Lomas parameras (Colombie).

Flowering.— July to November.

Illustrations.— • Dessin Smith 7735 G mâle, Espinosa 976 NY femelle.


Cite this publication as: ‘Loizeau, P.-A. & G. Barriera (2007). Aquifoliaceae néotropicales: Descriptions, Illustrations, Identification, et Recherche d'Information. Version: 1st march 2007. http://www.ville-ge.ch/cjb/.
Loizeau (1994) et Loizeau & Spichiger (1992) should also be cited (see Bibliography).