title: [Descriptions and microscopy identification of Citrus grandis var. tomentosa Hort. and Citrus grandis Osbeck].
abstract: 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.
authors.affiliation: College of Pharmacy, Jinan Vniversity, Guangzhou 510632.
authors.forename: Xiaoguang
authors.initials: X
authors.lastname: Li
authors.forename: Li
authors.initials: L
authors.lastname: Lin
authors.forename: Zhixia
authors.initials: Z
authors.lastname: Chen
mesh_terms: 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