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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 sipapoana Edwin

Habit, vegetative morphology.— Tree or shrub, evergreen, 1–4 m tall. Current year's branchlets glabrous. Branchlets older than one year smooth or furrowed, brownish, glabrous. Lenticels on current year's branchlets present. Internodes 0.3–0.8 cm. Stipules caducous, linear-triangular, 0.3 mm. Petiole glabrous, rough or grooved surface, 6–10 mm. Lamina elliptic, oblong (1:2), 4.5–11 X, 2.5–4.5 cm, coriaceous, glabrous abaxially. Base obtuse. Apex rounded, mucronate. Apex emarginate to acuminate. Acumen 0.2–0.4 cm. Margin revolute, entire or dentate, teeth inconspicuous. Teeth 1–2 ca., on the distal half of the margin. Midbrid adaxially impressed, glabrous. Midbrid abaxially raised, glabrous. Secondary veins abaxially evident, 4–5 pairs. Tertiary veins abaxially evident. Ponctuation abaxiallly present.

Inflorescences.— Thyrse, proliferating.

Female flowers.— Thyrses axes solitary and axillary. Thyrses axes 0.7–7 cm. Cymes of order 1. Peduncles glabrous. Peduncles of order 1 8–12 mm. Pherophylls of order 1 at 1–3 tenth of the base. Bracts deltoids, pubescent, 1 mm, margin entire. Pherophylls of order 1 opposite, deltoids, pubescent, 0.2 mm, margin entire. Female flowers 5 -merous (vérifier la diagnose). Calyx pubescent, margin entire, 3 mm in diam. Ovary spherical, glabrous, stigma capitate, stigma glabrous.

Fruits.— Fruit spherical, 8–9 mm in diam., 8–9 mm.

Distribution, ecology.— South America, Venezuela, 1500–1800 m, In marsh.

Flowering.— November to December.

Illustrations.— • Dessin in Berry & al. (1995). Flora of the Venezuelan Guayana. • Planche Maguire & Politi 27687 K f (IT). • Infrutescence Maguire & Politi 27687 K f (IT). • Limbe, sommet face inférieure Maguire & Politi 27687 K f (IT). • Planche Maguire & Politi 28367 K f (PT). • Inflorescence Maguire & Politi 28367 K f (PT). • Planche Photo NB Maguire 31721 MO=US (HT de I. lymanii). • Etiquette Photo NB Maguire 31721 MO=US (HT de I. lymanii). • Fruits Photo NB Maguire 31721 MO=US (HT de I. lymanii). • Rameau Photo NB Maguire 31721 MO=US (HT de I. lymanii). • Planche Maguire 27687 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).