Scientific name: Hovenia dulcis
Latin scientific name: Hovenia dulcis Thunb
Nicknames: Calligonum Calligonum, Chicken Claw Tree, Chicken Claw Fruit.
Double name method: Hovenia dulcis Thunb.
Field: the field of plants
Phylum: Angiosperm phylum
Category: Dicotyledonous plants
Subclass: Rosa Subclass
Order: Rosales
Family: Rhamnaceae.
Family: Rhamnus
Genus: Hovenia dulcis Thunb
Type: Hovenia dulcis Thunb
Distribution: Most provinces and regions in China are scattered.
Morphological characteristics:
Tall trees, 10-25m high; Branchlets brown or dark purple, brown pubescent or glabrous, with obvious white lenticels. Leaves alternate, thick papery to papery, broadly ovoid, elliptic ovoid or heart-shaped, 8-17cm long and 6-12cm wide, with long or short tapering at the top, truncated or heart-shaped at the base, sparsely nearly round or broadly wedge-shaped, with neat, shallow and blunt serrations at the edge, and inconspicuous teeth at the upper or near the top, and sparse and nearly entire. Petiole 2-5 cm long, glabrous. Dichotomous thyrses, terminal and axillary, brown pubescent; Flowers bisexual, 5-6.5 mm in diameter; Sepals with reticulate veins or longitudinal stripes, glabrous, long 1.9-2.2 mm, wide 1.3-2 mm; Petals elliptic spoon-shaped, 2-2.2 mm long and 1.6-2 mm wide, with short claws; Disk pilose; Style cleft, sparse or deeply parted, long 1.7-2. 1 mm, glabrous. Berry drupe is subglobose, 5-6.5 mm in diameter, glabrous, yellow-brown or brown when mature; The fruit sequence axis increased obviously; Seeds dark brown or dark purple, 3.2-4.5 mm in diameter. The flowering period is May-July, and the fruiting period is 8-65438+1October.
This species looks like Hovenia dulcis Thunb. And it's easy to get confused. Because of the mistakes in identification, predecessors often mistake this species for Hovenia dulcis Thunb. However, the leaves of this species often have neat shallow obtuse serrations, the inflorescence is a terminal axillary dichotomous thyrse, the style is cleft or deeply split to the base, the fruit is small, the back leaves have irregular deep serrations, and the inflorescence is an asymmetric thyrse, and the terminal is sparse axillary; Style lobed; The fruit is bigger and obviously different.