NDLI: Crystals in calyces of Lamiaceae and their phylogenetic and adaptive significance

Content Provider	Springer Nature Link
Author	Ryding, O.
Copyright Year	2010
Abstract	The diversity of crystal types is studied in fruiting calyces of 435 out of the c. 7,200 species, and 184 out of the c. 236 genera of Lamiaceae, mainly in the subfamilies Nepetoideae and Lamioideae. Calcium oxalate crystals are found in about half of the studied calyces, and belong to the following main types: prismatics in the inner epidermis, prismatics in fibres, prismatics in sclereids, prismatics in the mesophyll and druses in the mesophyll. Presence of epidermal prismatics may constitute a synapomorphy of the subfamily Nepetoideae or of a subclade within this subfamily consisting of the two largest tribes Mentheae and Ocimeae. The presence of narrow mesophyll prismatics seems to support a large clade of Lamioideae genera in a recent molecular phylogeny of the subfamily. Epidermal prismatics are found to be particularly frequent in closed calyces, calyces with a narrow mouth and internally hairy calyces. These findings and the position of the crystals in the calyces are regarded as supporting the hypothesis that calcium oxalate crystals protect the fruit against insect predators.
Starting Page	201
Ending Page	215
Page Count	15
File Format	PDF
ISSN	03782697
Journal	Plant Systematics and Evolution
Volume Number	290
Issue Number	1-4
e-ISSN	16156110
Language	English
Publisher	Springer Vienna
Publisher Date	2010-10-05
Publisher Place	Vienna
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Lamiaceae Labiatae Lamioideae Nepetoideae Calyx Epidermis Crystals Function Plant Systematics/Taxonomy/Biogeography Plant Anatomy/Development Plant Ecology Plant Sciences
Content Type	Text
Resource Type	Article
Subject	Plant Science Ecology, Evolution, Behavior and Systematics

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