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Quercus pringlei | |
Author | Seemen ex Loes. 1900 Bot. Jahrb. Syst. 29: 96 |
Synonyms | filiformis C.H.Mull. 1936 pringlei f. dentata C.H. Mull. 1936 |
Local names | |
Range | Mexico ( Coahuila,
Durango, Hidalgo, Nuevo Leon, Queretaro, San Luis Potosi, Tamaulipas,
Zacatecas) ; |
Growth habit | usually less
than 2 m tall, but reaches 3 m; |
Leaves | 1.6-4
cm long, 0.5-1.3 wide; evergreen; semi-leathery; narrowly elliptic or
oblong, seldom lanceolate; apex often mucronate, obtuse; |
Flowers | in March-April; male catkins 1-3 cm long, with numerous flowers with 5-6 stamens; female catkins pubescent, 2-4 mm long, with 1-3 flowers; |
Fruits | acorn ovoid
or globose 1-1.4 cm; singly or paired, sessile or on a very short peduncle
less than 10 mm long; cup half-round, 9-12 mm in diameter, enclosing 1/3
or 1/4 of nut, with pubescent scales; maturing in 1 year in October; |
Bark, twigs and |
bark thin, fissured; twig
slender (1-2 mm in diameter), with dense, glabrescent
tomentum made of stalkless, stellate hairs, simple hairs and dark glandular
ones; bud 1-2 mm, almost globose, reddish; stipules hairless, 4 mm long,
deciduous; |
Hardiness zone, habitat | hardy zone 7; |
Miscellaneous | --
A. Camus : n° 177; -- Sub-genus Quercus, Section Quercus, Series Leucomexicanae, Group Opacae; -- Related to Q.grisea ; -- Resembles sometimes Q. depressipes, but the leaves of this species are dull, glaucous, oblong-oboval to nearly orbicular, and the peduncles are longer (1.5-3.5 cm); ressembles as well Q. opaca : see this item; |
Subspecies and varieties |
-- fo. dentata C.H.Muller 1936 margin dentate except in lower 1/3, teeth with recurved mucro; leaves abaxially yellowish stellate tomentose at first, becoming glabrous; |
Pictures |
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