General data | Classifications | List of species | Local names | Back to home page |
Quercus brandegeei | |
Author | Goldman 1916 Contr. U. S. Natl. Herb. 16: 321 1916. |
Synonyms | |
Local names | |
Range | Mexico (Baja California del Sur); 300-1000 m; |
Growth habit | 10-12
m high; |
Leaves | 3-6
x 1-2 cm; persistent, leathery; elliptic, oblong-elliptic or ovate; apex
variable, mucronate; base most often rounded, sometimes acute; margin
cartilaginous, flat or sometimes slightly revolute, entire or most often
with 1-4 pairs of mucronate, asymmetrical teeth, often on only one side
of the blade; greyish green, glabrous and bright above; grey-green whitish
below (dense stellate tomentum with 13-20 rays appressed on the surface
of the blade, looking like fringed scales), with midrib prominent and
hairless; 8-12 slender vein pairs, impressed either above or under the
blade; petiole 3-7 mm long, pubescent; |
Flowers | male catkins 2-4 cm, few-flowered; female inflorescence 1-3 cm, with 1 to 3 flowers; |
Fruits | acorn
conical 1.5 cm long; narrow, pointed; solitary or paired on a 0.5 cm long
peduncle; cup scaly, umbrella-like, 1-1.5 cm in diameter, covering 1/4
of the nut; |
Bark, twigs and |
grey bark, divided into plates; slender branchlets (1.5-2.5 mm thick), mostly glabrescent; small lenticels, inconspicuous; buds globose, 1-1.5 mm, dark red; stipules 2-3 mm, pubescent, deciduous; |
Hardiness zone, habitat | not hardy; |
Miscellaneous | --
A.Camus : n° 173; -- Sub-genus Quercus, Section Virentes; -- Threatened (IUCN Red List Category : EN) -- May be a subspecies of Q.virginiana ... -- Close to Q.fusiformis and to Q.oleoides; |
Subspecies and varieties |
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Pictures |
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