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Monographia Aquifoliacearum - Loizeau Pierre-André & Gabrielle Barriera


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Aquifoliaceae of Neotropics

Loizeau P.-A. & G. Barriera


Ilex amplifolia Rusby

Habit, vegetative morphology.— Evergreen. Current year's branchlets glabrous. Branchlets older than one year smooth or furrowed or rough, greyish, glabrous. Lenticels on current year's branchlets present. Internodes 0.2–1.5 cm. Stipules caducous, linear-triangular, 2 mm. Petiole glabrous, smooth surface, 7–10 mm. Lamina ovate to elliptic, oblong (1:2), 8–15 X, 6.5–9 cm, papyraceous, glabrous abaxially. Base acute or obtuse (décurrente). Apex obtuse, not mucronate. Apex emarginate. Margin plane (révolutée à l'état adulte) or revolute, dentate, teeth inconspicuous. Teeth 24–27 ca., over the entire length of the margin or on the distal half of the margin. Midbrid adaxially flat, glabrous. Midbrid abaxially raised, glabrous. Secondary veins abaxially evident, 8–10 pairs. Tertiary veins abaxially evident. Ponctuation abaxiallly present.

Inflorescences.— Thyrsoid, heterocladic, with subthyrsoids decussate.

Male flowers.— Cymes of order 4. Peduncles glabrous. Peduncles of order 1 20–30 mm. Pherophylls of order 1 at 5–7 tenth from the base. Peduncles of order 2 7–10 mm. Pherophylls of order 2 at 5 tenth from the base. Peduncles of order 3 3–4 mm. Pherophylls of order 3 at 0 tenth from the base. Peduncles of order 4 3–4 mm. Pherophylls of order 4 at 0 tenth from base. Bracts deltoids, glabrous, 1.5 mm, margin entire. Pherophylls of order 1 subopposite, deltoid, glabrous, 1–1.5 mm, margin entire. Male flowers 5–6 -merous. Calyx glabrous (papilleux), 3 mm in diam., margin entire (irrégulière, presque dentée). Corolla 4 mm, petals connate on, petals 15–20 % of their length. Apex margin entire. Stamens at the anthesis equal to corolla. Rudimentary ovary pyramidal, glabrous.

Distribution, ecology.— South America, Bolivia (Tipuani-Guanai).

Illustrations.— • Planche Bang 1682 MO. • Inflorescences Bang 1682 MO. • Feuille Bang 1682 MO. • Planche Krukoff 11198 MO. • Etiquette Krukoff 11198 MO. • Inflorescence Krukoff 11198 MO. • Feuilles Krukoff 11198 MO. • Dessin Bang 1682 G mâle. • Planche Bang 1682 G m (IT). • Rameau Bang 1682 G m (IT). • Inflorescence Bang 1682 G m (IT). • Inflorescence Bang 1682 G m (IT). • Inflorescence Bang 1682 G m (IT). • Planche Bang 1682 NY at (HT). • Planche Bang 1682 NY at (IT). • Planche Bang 1682 Z at (IT).


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).