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FOC | Family List | FOC Vol. 11 | Aquifoliaceae

1. Ilex Linnaeus, Sp. Pl. 1: 125. 1753.

冬青属 dong qing shu

Morphological characters and geographic distribution are the same as those of the family.

The genus is classified into three subgenera. Ilex subg. Byronia (Endlicher) Loesener has only one species, I. polypyrena, and I. subg. Prinos includes 12 species. All other species belong to I. subg. Ilex and they are grouped into six sections.

Key 4 (Ilex sect. Lauroilex S. Y. Hu)

1 Leaf blade elliptic, 7-10 cm, midvein adaxially proximally slightly raised, flattened or subimpressed toward distal half; male inflorescence: cyme fasciculate; fruit ca. 5 mm in diam., pyrenes 5, ca. 3 mm, ca. 2 mm in diam..   143 I. syzygiophylla
+ Leaf blade broadly elliptic, oblong-elliptic, or ovate, 8-20 cm, midvein impressed adaxially; male inflorescence: cyme fasciculate or pseudopaniculate, or compound cyme pseudopaniculate; fruit 3-4 mm in diam., pyrenes 5-7, ca. 2 mm, ca. 1 mm in diam   (2)
2 (1) Leaf blade thickly leathery, broadly elliptic or oblong-elliptic, apex shortly acuminate, lateral veins 6-8 pairs, slightly raised on both surfaces; male inflorescence: cyme of order 3, fasciculate; persistent stigma thickly discoid.   144 I. omeiensis
+ Leaf blade leathery, oblong-elliptic, or ovate, apex caudate-acuminate, lateral veins 15-22 pairs, raised on both surfaces; male inflorescence: cyme of order 4, or compound cyme with cymules of order 3, pseudopaniculate; persistent stigma navel-shaped or thinly discoid.   145 I. venulosa

List of Keys

  • List of lower taxa


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