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Monographia Aquifoliacearum - Loizeau Pierre-André & Gabrielle Barriera


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Aquifoliaceae of Neotropics

Loizeau P.-A. & G. Barriera


Ilex truxillensis Turcz.

Habit, vegetative morphology.— Evergreen. Current year's branchlets pubescent. Branchlets older than one year smooth or furrowed, brownish or reddish, pubescent, sparse trichomes (courts). Lenticels on current year's branchlets absent or hardly visible. Internodes 0.2–1 cm. Stipules persistent, deltoid, 0.5 mm. Petiole glabrous (pubescent sur les jeunes rameaux), rough or grooved surface, 8–12 mm. Lamina elliptic, oblong (1:2) to lanceolate (1:3), 3–6 X, 1.2–2.5 cm, coriaceous, glabrous abaxially. Base cuneate to acute. Apex acute, not mucronate. Apex rounded. Margin revolute (très finement), crenate, teeth conspicuous. Teeth 10–12 ca., over the entire length of the margin. Midbrid adaxially impressed to flat, glabrous or pubescent on proximal half. Midbrid abaxially raised, glabrous (pubescentes sur les jeunes rameaux). Secondary veins abaxially evident, 8–10 pairs. Tertiary veins abaxially evident. Ponctuation abaxiallly present.

Inflorescences.— Thyrse, proliferating.

Male flowers.— Thyrses axes solitary and axillary. Cymes of order 2–3. Peduncles pubescent. Peduncles of order 1 10–18 mm. Pherophylls of order 1 at 8–9 tenth from the base. Peduncles of order 2 3 mm. Pherophylls of order 2 at 0–1 tenth from the base. Peduncles of order 3 3 mm. Pherophylls of order 3 at 5–6 tenth from the base. Bracts deltoids, glabrous, 1 mm, margin entire. Pherophylls of order 1 opposite, deltoid, pubescent, 0.5 mm, margin entire. Male flowers 4 -merous, white. Calyx pubescent, 1 mm in diam., margin entire. Corolla 1.5 mm, petals connate on, petals 10–20 % of their length. Apex margin entire. Stamens at the anthesis equal to corolla. Rudimentary ovary subglobulous or flattened, glabrous.

Distribution, ecology.— South America, Venezuela (Truxillo), 3000 m.

Flowering.— July.

Illustrations.— • Planche Linden 1452 W m (IT). • Inflorescence Linden 1452 W m (IT). • Description ms. I. modesta ined. Linden 1452 W m (IT). • Description ms. I. modesta ined. suite Linden 1452 W m (IT). • Planche Linden 1452 P m (IT). • Etiquettes Linden 1452 P m (IT). • Feuilles Linden 1452 P m (IT). • Inflorescence Linden 1452 P m (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).