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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 psammophila Reissek

Habit, vegetative morphology.— Evergreen. Current year's branchlets glabrous. Branchlets older than one year smooth or furrowed, greyish, glabrous. Lenticels on current year's branchlets present. Internodes 0.5–2.1 cm. Stipules persistent, linear-triangular (triangulaires), 0.5–0.7 mm. Petiole glabrous, rough or grooved surface, 10–20 mm. Lamina elliptic, oblong (1:2), 5–8 X, 3–4 cm, coriaceous, glabrous abaxially. Base cuneate. Apex obtuse, mucronate. Apex rounded or acuminate. Acumen 0.4–0.6 cm. Margin revolute, entire. Midbrid adaxially impressed, glabrous. Midbrid abaxially raised, glabrous. Secondary veins abaxially evident, 7–8 pairs. Tertiary veins abaxially evident. Ponctuation abaxiallly absent.

Inflorescences.— Thyrse, proliferating.

Male flowers.— Thyrses axes solitary and axillary. Thyrses axes 0.3–3 cm. Cymes of order 2–3. Peduncles glabrous. Peduncles of order 1 13–23 mm. Pherophylls of order 1 at 6–8 tenth from the base. Peduncles of order 2 2–4 mm. Pherophylls of order 2 at 0–1 tenth from the base. Peduncles of order 3 2–4 mm. Pherophylls of order 3 at 0–1 tenth from the base. Bracts linear-triangular, glabrous, 2–3 mm, margin entire. Pherophylls of order 1 opposite, deltoid, glabrous, 0.5 mm, margin entire. Male flowers 4–5 -merous. Calyx glabrous, 3–3.5 mm in diam., margin entire. Corolla 2.5–3 mm, petals connate on, petals 20–30 % of their length. Apex margin entire. Stamens at the anthesis equal to corolla. Rudimentary ovary subglobulous or flattened, glabrous.

Distribution, ecology.— South America, Brazil (ad Mucuri).

Illustrations.— • Dessin in Berry & al. (1995). Flora of the Venezuelan Guayana. • Planche Wied-Neuwied s.n. [a] W m (T). • Rameau Wied-Neuwied s.n. [a] W m (T). • Inflorescence Wied-Neuwied s.n. [a] W m (T). • Fleurs Wied-Neuwied s.n. [a] W m (T). • Fruits Wied-Neuwied s.n. [b] W f. • Planche Sello s.n. K f (ST). • Infrutescence Sello s.n. K f (ST). • Etiquettes Wied-Neuwied s.n. BR ?. • Planche Wied-Neuwied s.n. BR ?. • Planche Wied-Neuwied s.n. BR m (ST). • Etiquettes Wied-Neuwied s.n. BR m (ST). • Rameau Wied-Neuwied s.n. BR m (ST).


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).