Development, structure and senescence of colleters in Gardenia lucida Roxb. (Rubiaceae) | Zendy

Yash Dave | Zendy; P. M. Kuriachen | Zendy; Vinoth Thomas | Zendy

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Development, structure and senescence of colleters in Gardenia lucida Roxb. (Rubiaceae)

Author(s) -

Yash Dave,

P. M. Kuriachen,

Vinoth Thomas

Publication year - 2014

Publication title -

acta societatis botanicorum poloniae

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.297

H-Index - 29

eISSN - 2083-9480

pISSN - 0001-6977

DOI - 10.5586/asbp.1988.001

Subject(s) - stipule , calyx , rubiaceae , botany , biology , gardenia , epidermis (zoology) , trichome , anatomy , medicine , pathology , alternative medicine , traditional chinese medicine

Colleters are found on the adaxial basal part of the stipule and calyx of Gardenia lucida. They secrete a yellow transparent resinous substance commonly known as "Dikamali gum". They develop on both the stipule and calyx from a group of epidermal and hypodermal initials. A mature colleter consists of a central core of elongated parenchymatous cells surrounded by a palisade-like secretory epidermis. Druses type crystals of calcium oxalate are frequent in the colleters. At the time of senescence the central cells show lignification and the presence of tannin

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