| Quercus zhekunii | |
| Author |
M.Deng & J.Huang 2024 sp. nov. Nordic Journal of Botany 2024: e04512 |
| Synonyms | |
| Local names | |
| Range |
northern tropical regions of East Asia, 450-830 m a.s.l. |
| Growth habit |
small tree or shrub, 2-4 m. tall; sclerophyllous oak; |
| Leaves |
3.5-10 cm X 1.5-6 cm; leathery; varying in shape, from elliptical, ovate, obovate, oblanceolate to lanceolate; apex obtuse to acute; base broadly cuneate, or rounded, slightly cordate to auriculate; margin distinctly revolute, with 4-6 pairs of small blunt teeth on 1/2 to 2/3 of the blade; adaxially dark green, glabrous; abaxially covered by dense stipitate fasciculate and scattered uniseriate trichomes; veins prominently concave above, prominently convex underneath; 6-11 lateral veins pairs; short petiole 2-5 mm long, hairy; |
| Flowers |
in March; male flowers solitary on catkins; female inflorescence at leaf axil of current year's twig; pistilate flower solitary or paired; 3-5 styles; |
| Fruits |
1.6-2 cm, ovoid to elliptic, glabrous; cup 11-15 mm in diameter, covering ca 1/3-1/2 of nut; scales flat, ovate-lanceolate to lanceolate; seed scar flat or slightly convex; maturation biennal in October-November; |
|
Bark, twigs and |
bark dark grey with longitudinal ridges; twigs at first densely covered by gray-brown hairs, then remotely hairy; grayish lenticels; small ovoid buds; |
| Hardiness zone, habitat |
not hardy; limestone rocky hills; strong tolerance to heat and drought stress; |
| Miscellaneous |
-- Sub-genus Cerris, Section Ilex |
| Subspecies and varieties |
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| Pictures |
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