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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 ignicola Steyerm.

Habit, vegetative morphology.— Tree, evergreen, 6 m tall. Current year's branchlets pubescent (finement). Branchlets older than one year smooth or furrowed, reddish, glabrous. Lenticels on current year's branchlets absent or hardly visible. Internodes 0.2–1 cm. Stipules caducous, linear-triangular, 0.2–0.3 mm. Petiole glabrous or pubescent (finement sur les jeunes feuilles de l'année), rough or grooved surface, 5–9 mm. Lamina elliptic, oblong (1:2), 5.5–8 X, 2.5–4 cm, papyraceous to coriaceous, glabrous abaxially. Base acute to obtuse. Apex obtuse to acute, not mucronate. Apex retuse or acuminate. Acumen 0.3–1.2 cm. Margin revolute, entire. Midbrid adaxially impressed, glabrous (à part quelques poils très courts au fond de la nervure sur les jeunes feuilles). Midbrid abaxially raised, glabrous. Secondary veins abaxially evident, 7–9 pairs. Tertiary veins abaxially obscure. Ponctuation abaxiallly present.

Inflorescences.— Thyrse, proliferating.

Female flowers.— Thyrses axes solitary and axillary. Thyrses axes 1.5–4.5 cm. Cymes of order 1. Peduncles pubescent (finement). Peduncles of order 1 3–4 mm. Pherophylls of order 1 at 1–2 tenth of the base. Bracts linear-triangulate, glabrous, 1 mm, margin entire. Pherophylls of order 1 opposite, linear-triangulate, glabrous, 0.5 mm, margin entire. Female flowers 4 -merous. Calyx pubescent (finement), margin entire, 2.5–3 mm in diam.

Fruits.— Fruit ovoid, 5 mm in diam., 7–8 mm.

Distribution, ecology.— South America, Venezuela (Amazonas, Cerro Aratitiyope), 990–1100 m.

Illustrations.— • Rameau Steyermark 130112 U. • Fruits Steyermark 130112 U. • Planche Steyermark 130112 U. • Rameau Steyermark 130112 U. • Planche Steyermark 130112 MO. • Etiquette Steyermark 130112 MO. • Feuilles Steyermark 130112 MO. • Infrutescence Steyermark 130112 MO. • Rameau Steyermark 130112 MO.


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).