Quercus humboldtii

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Quercus humboldtii_table_infobox_0

Quercus humboldtiiQuercus humboldtii_header_cell_0_0_0
Scientific classification Quercus_sect._LobataeQuercus humboldtii_header_cell_0_1_0
Kingdom:Quercus humboldtii_cell_0_2_0 PlantaeQuercus humboldtii_cell_0_2_1
Clade:Quercus humboldtii_cell_0_3_0 TracheophytesQuercus humboldtii_cell_0_3_1
Clade:Quercus humboldtii_cell_0_4_0 AngiospermsQuercus humboldtii_cell_0_4_1
Clade:Quercus humboldtii_cell_0_5_0 EudicotsQuercus humboldtii_cell_0_5_1
Clade:Quercus humboldtii_cell_0_6_0 RosidsQuercus humboldtii_cell_0_6_1
Order:Quercus humboldtii_cell_0_7_0 FagalesQuercus humboldtii_cell_0_7_1
Family:Quercus humboldtii_cell_0_8_0 FagaceaeQuercus humboldtii_cell_0_8_1
Genus:Quercus humboldtii_cell_0_9_0 QuercusQuercus humboldtii_cell_0_9_1
Subgenus:Quercus humboldtii_cell_0_10_0 Quercus subg. QuercusQuercus humboldtii_cell_0_10_1
Section:Quercus humboldtii_cell_0_11_0 Quercus sect. LobataeQuercus humboldtii_cell_0_11_1
Species:Quercus humboldtii_cell_0_12_0 Q. humboldtiiQuercus humboldtii_cell_0_12_1
Binomial nameQuercus humboldtii_header_cell_0_13_0
SynonymsQuercus humboldtii_header_cell_0_14_0

Quercus humboldtii, commonly known as the Andean oak, Colombian oak or roble, is a species of oak in the beech family found only in Colombia and Panamá. Quercus humboldtii_sentence_0

It is named for Alexander von Humboldt. Quercus humboldtii_sentence_1

It grows in the mountains with an altitudinal range from 1,000 to 3,200 m. It is found on all three Colombian Andean mountain ranges and some lowland inter-Andean regions. Quercus humboldtii_sentence_2

Description Quercus humboldtii_section_0

Quercus humboldtii is an evergreen tree which grows to a height of 25 meters and a diameter of 1 meter, with buttresses of up to 1 meter. Quercus humboldtii_sentence_3

Its bark is reddish grey or grey and fissured, breaking into squares and flaking. Quercus humboldtii_sentence_4

The leaves simple, alternate and lanceolate, up to 10–20 cm long, and clustered at the ends of the branches. Quercus humboldtii_sentence_5

The flowers are small, yellow, and unisexual, with a racemic inflorescence. Quercus humboldtii_sentence_6

Male flowers are numerous, with long-styled female flowers in a cupula. Quercus humboldtii_sentence_7

The fruit is a light brown, ovoid capsule, or acorn, with a leathery pericarp, 20–25 mm in diameter and 50–70 mm long, resting on a scaly cupule. Quercus humboldtii_sentence_8

Only one fruit per cupule is developed, and the inside of the acorn shell is woolly. Quercus humboldtii_sentence_9

The tree grows in the Andean highlands where the mean annual temperature is 16−24 °C, and the mean annual rainfall 1500–2500 mm. Quercus humboldtii_sentence_10

It can be found in moderately fertile and deep soils as well as in degraded soils, preferring shallow soils with a thick layer of humus. Quercus humboldtii_sentence_11

The acorns provide important food for wildlife; two parrots - the rusty-faced parrot and Fuertes's parrot - are endemic to the threatened montane ecosystems of the Colombian Andes and are particularly dependent on the Andean oak forests as a home. Quercus humboldtii_sentence_12

Credits to the contents of this page go to the authors of the corresponding Wikipedia page: en.wikipedia.org/wiki/Quercus humboldtii.