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Conservatoire et Jardin botaniques de la Ville de Genève

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Monographia Aquifoliacearum - Loizeau Pierre-André & Gabrielle Barriera


Aquifoliaceae of Neotropics

Loizeau P.-A. & G. Barriera

Ilex berteroi Loes.

Habit, vegetative morphology.— Shrub, evergreen. Current year's branchlets pubescent (poils visibles à la loupe). Branchlets older than one year smooth or furrowed, brownish, glabrous. Lenticels on current year's branchlets present. Internodes 0.3–1.8 cm. Stipules caducous, linear-triangular, 0.3–0.5 mm. Petiole pubescent, rough or grooved surface, 5–8 mm. Lamina obovate, oblong (1:2), 3–6 X, 1.1–2.1 cm, coriaceous, glabrous abaxially. Base cuneate or acute. Apex rounded, not mucronate. Apex retuse or rounded. Margin revolute, entire. Midbrid adaxially impressed, pubescent on proximal half. Midbrid abaxially raised, glabrous. Secondary veins abaxially evident, 6–8 pairs. Tertiary veins abaxially obscure. Ponctuation abaxiallly absent.

Inflorescences.— Thyrse, non proliferating.

Male flowers.— Thyrses axes solitary and axillary. Thyrses axes 0.1–0.2 cm. Cymes of order 1–3. Peduncles glabrous. Peduncles of order 1 3–6 mm. Pherophylls of order 1 at 4–6 tenth from the base. Peduncles of order 2 2–3 mm. Pherophylls of order 2 at 0–1 tenth from the base. Bracts linear-triangular, pubescent, 0.5–1 mm, margin ciliate or dentate. Pherophylls of order 1 opposite, linear-triangular, pubescent, 0.3–0.5 mm, margin ciliate. Male flowers 4 -merous. Calyx glabrous, 2–2.5 mm in diam., margin ciliate or dentate. Corolla 2–2.5 mm, petals connate on, petals 10–20 % of their length. Apex margin entire. Stamens at the anthesis equal to corolla or shorter than corolla. Rudimentary ovary subglobulous or flattened, glabrous.

Distribution, ecology.— The Antilles, Dominican Rep.

Illustrations.— • Dessin: Shafer 4452 NY mâle, Acuña 12641 US femelle. • Planche Bertero s.n. M m (LT). • Etiquettes Bertero s.n. M m (LT). • Rameau (feuilles et fleurs) Bertero s.n. M m (LT). • Fleurs Bertero s.n. M m (LT). • Inflorescences Bertero s.n. M m (LT). • Inflorescences à l'aisselle d'une feuille Bertero s.n. M m (LT). • Planche Ekman 5018 S st (ST du var. buchiana). • Planche Ekman 8240 S m (ST du var. buchiana). • Planche Ekman 8240 NYat (ST du var. buchiana). • Planche Ekman 4950 USat (ST du var. buchiana).

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