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Monographia Aquifoliacearum - Loizeau Pierre-André & Gabrielle Barriera


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Aquifoliaceae of Neotropics

Loizeau P.-A. & G. Barriera


Ilex hualgayoca Loizeau & Spichiger

Habit, vegetative morphology.— Shrub, evergreen, 4 m tall. Current year's branchlets glabrous. Branchlets older than one year rough, brownish, glabrous. Lenticels on current year's branchlets present. Internodes 0.1–0.6 cm. Stipules caducous, linear-triangular, 0.5 mm. Petiole glabrous, rough or grooved surface, 3–7 mm. Lamina elliptic to obovate, oblong (1:2), 2–4 X, 1.2–2 cm, papyraceous to coriaceous, glabrous abaxially. Base cuneate to obtuse. Apex rounded to obtuse, mucronate. Apex rounded. Margin revolute, dentate, teeth inconspicuous. Teeth 8–14 ca., on the distal half of the margin. Midbrid adaxially impressed, glabrous. Midbrid abaxially raised, glabrous. Secondary veins abaxially evident, 5–7 pairs. Tertiary veins abaxially evident. Ponctuation abaxiallly present.

Inflorescences.— Thyrse, proliferating.

Male flowers.— Thyrses axes solitary and axillary. Thyrses axes 0.5–3 cm. Peduncles glabrous. Peduncles of order 1 3–6 mm. Pherophylls of order 1 at 7–8 tenth from the base. Peduncles of order 2 1–2 mm. Pherophylls of order 2 at 0–1 tenth from the base. Peduncles of order 3 1–2 mm. Pherophylls of order 3 at 0–1 tenth from the base. Bracts deltoids, glabrous, 0.5–2 mm, margin entire. Pherophylls of order 1 opposite or subopposite, deltoid, glabrous, 0.2–0.4 mm, margin entire. Male flowers 4–5 -merous, white. Calyx pubescent, 1.5–2 mm in diam., margin ciliate or dentate. Corolla 2–2.5 mm, petals connate on, petals 10–20 % of their length. Apex margin entire (papilleuse). Stamens at the anthesis shorter than corolla. Rudimentary ovary subglobulous or flattened, glabrous.

Distribution, ecology.— South America, Peru, 2900 m, Végétation andine de haute montagne.

Flowering.— September.

Illustrations.— • Dessin Hutchinson 6507 NY mâle. • Planche Hutchison 6507 K m (HT). • Etiquettes Hutchison 6507 K m (HT). • Rameau Hutchison 6507 K m (HT). • Rameau Hutchison 6507 K m (HT). • Inflorescence Hutchison 6507 K m (HT). • Inflorescence Hutchison 6507 K m (HT). • Inflorescence Hutchison 6507 K m (HT).


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).