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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 paujiensis Steyerm.

Habit, vegetative morphology.— Tree, evergreen, 4 m tall. Current year's branchlets glabrous. Branchlets older than one year smooth or furrowed, reddish, glabrous. Lenticels on current year's branchlets present. Internodes 0.1–2 cm. Stipules caducous, linear-triangular, 0.5 mm. Petiole glabrous, rough or grooved surface, 5–10 mm. Lamina obovate, oblong (1:2), 6.5–11 X, 2.5–4.5 cm, coriaceous, glabrous abaxially. Base cuneate. Apex rounded. Apex retuse or rounded. Margin revolute, entire. Midbrid adaxially impressed, glabrous. Midbrid abaxially raised, glabrous. Secondary veins abaxially obscure, 6–9 pairs. Tertiary veins abaxially obscure. Ponctuation abaxiallly present.

Inflorescences.— Thyrse, proliferating.

Female flowers.— Thyrses axes solitary and axillary. Thyrses axes 0.5–10 cm. Cymes of order 1–2. Peduncles pubescent (poils peu nombreux et très courts). Peduncles of order 1 2–3.5 mm. Pherophylls of order 1 at 2–5 tenth of the base. Peduncles of order 2 1.5–2 mm. Pherophylls of order 2 at 0–1 tenth of the base. Bracts linear-triangulate, glabrous, 1–1.3 mm, margin entire. Pherophylls of order 1 opposite, deltoids, glabrous, 0.5 mm, margin entire. Female flowers 4–5 -merous, white. Calyx pubescent (finement), margin entire (cilié selon Steyermark 1988), 2–3 mm in diam. Corolla 3–3.5 mm, petals connate on, petals 10–15 % of their length. Apex margin entire (possibly beaded) (légèrement perlée). Staminodes sagittate, glabrous. Ovary spherical, glabrous, stigma capitate, stigma glabrous.

Fruits.— Fruit spherical, 5–6 mm in diam., 5–6 mm.

Distribution, ecology.— South America, Venezuela (Bolívar: Icabarú basin, Río Paragua au pied du Cerro Guaiquinima), 400–900 m, Savannes, bords de forêts semi-décidues à sempervirentes.

Flowering.— October.

Illustrations.— • Dessin in Berry & al. (1995). Flora of the Venezuelan Guayana. • Planche Liesner 18796 U. • Feuilles Liesner 18796 U (IT). • Rameau Liesner 18796 U (IT). • Planche Liesner 18796 MO (IT). • Etiquette Liesner 18796 MO (IT). • Feuilles Liesner 18796 MO (IT). • Fruits Liesner 18796 MO (IT). • Inflorescences Liesner 18796 MO (IT). • Planche Liesner 18796 NY.


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).