[Descriptions and microscopy identification of Citrus grandis var. tomentosa Hort. and Citrus grandis Osbeck].
OBJECTIVE
To identify Citrus grandis var. tomentosa Hort. and Citrus grandis Osbeck.


METHODS
Descriptions and microscopy identification.


RESULTS
There are nonglandular hair in the stem epidermis, many starch grains in the stem cortex and many prismatic crystals of calcium oxalate in the phloem of C. grandis var. tomentosa Hart. The palisade tissues of the leave are thick. The outer layer palisade tissues contains prismatic crystals. The cortex of leaf vein is thick. The other characters are similar to C. grandis Osbeck.


CONCLUSIONS
Above-mentioned characters can be used to identify C. grandis var. tomentosa Hort. and C. grandis Osbeck.
Li
Xiaoguang
X
College of Pharmacy, Jinan Vniversity, Guangzhou 510632.
Lin
Li
L
Chen
Zhixia
Z
D002957:Citrus / Q000033:anatomy & histology* / Q000145:classification / Q000166:cytology; D010598:Pharmacognosy; D018515:Plant Leaves / Q000033:anatomy & histology / Q000166:cytology; D018547:Plant Stems / Q000033:anatomy & histology / Q000166:cytology; D010946:Plants, Medicinal / Q000033:anatomy & histology* / Q000145:classification / Q000166:cytology; D011786:Quality Control