
Specimen image via iDigBio · CC0
Species
Data DeficientSPECIES
- KingdomPlantae
- PhylumTracheophyta
- ClassMagnoliopsida
- OrderFagales
- FamilyFagaceae
Trees , deciduous, to 13 m. Bark brown or black, roughly furrowed. Twigs dark reddish brown, 1.5-2.5 mm diam., densely pubescent or glabrate. Terminal buds glossy light brown, acutely ovoid, 4-7 mm, glabrous or pubescent on apical 1/2. Leaves: petiole 5-20 mm, pubescent or glabrate. Leaf blade acutely ovate to elliptic, widest at or proximal to middle, 55-120 × 20-50 mm, base cuneate to rounded or subcordate, margins with 6-8 teeth or shallow lobes with rounded sinuses, rarely entire, 1-10 awns, apex acute or attenuate; surfaces abaxially glabrous except for small axillary tufts of tomentum or pubescent along midrib, adaxially glabrous or persistently pubescent near base and along midrib. Acorns biennial; cup deeply cup-shaped, 6-9 mm high × 8-12 mm wide, covering 1/4-1/3 nut, outer surface puberulent or glabrate, inner surface uniformly pubescent, scales tightly appressed, acute or attenuate; nut oblong to broadly ellipsoid, 10-22 × 7-10 mm, glabrate, scar diam. 3.5-4.5 mm.
via GBIF · IUCN · Kew POWO
Museum specimens
- Specimen records
- 35
- With media
- 22
- Family
- Fagaceae
- Collections
- DAV, TEX, NY, A, UCSB, UCONN
- Recorded in
- United States
Wikidata facts
Show 6 more facts
- taxon rank
- species
- IUCN conservation status
- Data Deficient
- taxon name
- Quercus robusta
- taxon common name
- Robust Oak
- endemic to
- Chisos Mountains
- short name
- Q. robusta
Sources (1)
via Wikidata · CC0