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Conservatoire et Jardin botaniques de la Ville de Genève

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Monographia Aquifoliacearum - Loizeau Pierre-André & Gabrielle Barriera


Aquifoliaceae of Neotropics

Loizeau P.-A. & G. Barriera

Ilex congonhinha Loes.

Habit, vegetative morphology.— Subshrub. Current year's branchlets glabrous (quelques poils épars) or pubescent. Branchlets older than one year smooth or furrowed, greyish or reddish, glabrous. Lenticels on current year's branchlets present (peu nombreuses). Internodes 0.1–1 cm. Stipules caducous, linear-triangular, 0.5 mm. Petiole glabrous or pubescent (à poils très courts), rough or grooved surface, 1–4 mm. Lamina elliptic or obovate, oblong (1:2) or lanceolate (1:3), 1–3 X, 0.5–1.2 cm, papyraceous, glabrous abaxially. Base cuneate or acute. Apex acute, mucronate. Apex rounded. Margin revolute, dentate, teeth conspicuous. Teeth 2–4 ca., on the distal half of the margin (comportant deux dents repliées sur la face inférieure à la base du limbe). Midbrid adaxially flat, pubescent on proximal half. Midbrid abaxially raised, glabrous. Secondary veins abaxially obscure, 4–6 pairs. Tertiary veins abaxially obscure. Ponctuation abaxiallly absent.

Inflorescences.— Thyrse, proliferating.

Male flowers.— Thyrses axes solitary and axillary. Cymes of order 1. Peduncles glabrous. Peduncles of order 1 2–2.5 mm. Pherophylls of order 1 at 2–4 tenth from the base. Bracts linear-triangular, glabrous, 1–2 mm, margin entire. Pherophylls of order 1 opposite, linear-triangular, glabrous, 0.3–0.5 mm, margin entire. Male flowers 4 -merous. Calyx glabrous, 0.8–1 mm in diam., margin entire. Petals connate on, 10–20 % of their length. Rudimentary ovary subglobulous or flattened, glabrous.

Vernacular name.— Congonhinha.

Illustrations.— • Planche Glaziou 7575 K m (ST). • Rameau et inflorescence Glaziou 7575 K m (ST). • Planche Glaziou 7575 P m (ST). • Rameau Glaziou 7575 P m (ST). • Limbe, face inf. Glaziou 7575 P m (ST). • Planche Glaziou 15899 P ? (ST).

Cite this publication as: ‘Loizeau, P.-A. & G. Barriera (2007). Aquifoliaceae néotropicales: Descriptions, Illustrations, Identification, et Recherche d'Information. Version: 1st march 2007.
Loizeau (1994) et Loizeau & Spichiger (1992) should also be cited (see Bibliography).