Ziziphus obtusifolia Ziziphus obtusifolia(Hook. ex Torr. & A.Gray) A. Gray

국표에는 없다.

Ziziphus obtusifolia is a species of flowering plant in the buckthorn family known by several common names, including lotebush, graythorn, gumdrop tree, and Texas buckthorn.
Ziziphus obtusifolia is a shrub with many branches forming a thorny tangle which may exceed 3 metres (9.8 ft) tall and approach 4 metres (13 ft) at times.

The leaves are deciduous and are absent for much of the year, leaving the shrub a naked thicket of gray twigs coated in waxy whitish hairs. The ends of the twigs taper into sharp-tipped thorns. The thick, glandular gray or green leaves have oval blades 1 or 2 centimeters long.

The inflorescence is a cluster of several dull yellow-green flowers. The fruit is a mealy, juicy drupe containing one seed.

The fruit provides food for many species of birds and mammals. Birds use the shrub as a nesting site and the southern plains woodrat uses the twigs to build its houses.

Ziziphus obtusifolia - Wikipedia

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