| Quercus convallata | |
| Author | Trel. 1924 Mem. Natl. Acad. Sci. 20:
88 1924 Diagnosis here |
| Synonyms | reticulata f. inclusa (Trel.) A.Camus 1935 reticulata f. apus (Trel.) A.Camus 1935 rhodophlebia f. inclusa Trel. 1924 rhodophlebia f. apus Trel. 1924 |
| Local names | |
| Range | Mexico (Durango,
Jaliso, Nayarit) ; |
| Growth habit | small shrub less than 3 m tall, to tree 10-15 m; |
| Leaves |
5-12 cm long x 3-6 wide, deciduous; leathery; obovate or oblong to elliptic-obovate; less than twice as long as wide ; apex obtuse, mucronate; base obtuse to cordate, sometimes oblique; margin thick, plane, sinuate or with 3-8 inconspicuous mucronate teeth; light green or olive green beneath, slightly lustrous, with persistent pubescence made of scattered fasciculate trichomes, especially at the base near the midrib, without glandular hairs; abaxially paler, with fasciculate trichomes and rare yellowish or whitish glandular ones; 9-12 veins pairs, straight or slightly curved; epidermis bullate and papillose; petiole 5-15 mm, persistently pubescent; |
| Flowers | male catkins 4-6 cm long, with numerous flowers; |
| Fruits |
acorn 10-18 mm long, often sessile, or on a peduncle seldom more than 1 cm long; solitary or to 3; cup half-round with straight rim and pubescent scales, enclosing 1/3 of nut; maturing first year in July; |
|
Bark, twigs and |
bark dark grey, fissured with square plates; twigs at first yellowish then becoming darker, 3-4 mm thick, with rather dense and persistent tomentum; lenticels 0.5 cm long; bud ovoid or globose, 3-5 mm long, light brown, with pubescent scales; |
| Hardiness zone, habitat | |
| Miscellaneous | --
A. Camus : n° 185; -- Sub-genus Quercus, Section Quercus, Series Leucomexicanae; -- Very close to Q. obtusata, but this one has thinner, glabrescent twigs, larger leaves (to 16 cm long), leaves with glandular trichomes abundant beneath, and longer peduncles (1.5-5.5 mm.) -- Ressembles also Q. potosina, but this species may have abundant glandular hairs beneath, scattered glandular trichomes adaxially, the blade never longer than 10 cm, and acorn stalks longer (1.,6 to |
| Subspecies and varieties |
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| Pictures | 
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