- twice-pinnate
- Doubly compound; having second-order pinnae or pinnae in turn made up of pinnules; bipinnate.
Expanded glossary of Cycad terms . 2014.
twice-pinnate
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twice-pinnate — noun a pinnate leaf having two pairs of leaflets • Syn: ↑bijugate leaf, ↑bijugous leaf • Hypernyms: ↑pinnate leaf … Useful english dictionary
Pinnate — is a term used to describe feather like or multi divided features arising from both sides of a common axis in plant or animal structures, and comes from the Latin word pinna meaning feather , wing , or fin . A similar term is pectinate, which… … Wikipedia
pinnate leaf — noun a leaf resembling a feather; having the leaflets on each side of a common axis • Hypernyms: ↑compound leaf • Hyponyms: ↑bijugate leaf, ↑bijugous leaf, ↑twice pinnate, ↑bipinnate leaf, ↑even pinnate leaf, ↑ … Useful english dictionary
once-pinnate — Simply pinnate; first order of compounding a leaf, such that the pinnae are not themselves further divided, e.g. the leaflets of Cycas bifida. Cf. twice pinnate … Expanded glossary of Cycad terms
bipinnate — Twice pinnate; of a compound leaf having both first order and second order divisions, i.e. pinnae and pinnules, e.g. both Bowenia species and some Cycas species. See also multipinnate … Expanded glossary of Cycad terms
Glossary of botanical terms — Many of the terms used in Wikipedia glossaries (often most) are already defined and explained within Wikipedia itself. However, lists like the following indicate where new articles need to be written and are also useful for looking up and… … Wikipedia
Leaf shape — Chart illustrating leaf morphology terms. Click the image for the details. Oddly pi … Wikipedia
Frond — A frond is a large leaf with many divisions to it, and the term is typically used for the leaves of palms, ferns or cycads. [ [http://www.m w.com/dictionary/Frond] Merriam Webster s Online Dictionary ] A frond is the leaf like structure of a fern … Wikipedia
Botrychium pumicola — Taxobox image caption = Pumice Moonwort name = Pumice Moonwort status = G3 status system = TNC regnum = Plantae divisio = Pteridophyta classis = Filicopsida ordo = Ophioglossales familia = Ophioglossaceae genus = Botrychium species = B. pumicola… … Wikipedia
bijugate leaf — noun a pinnate leaf having two pairs of leaflets • Syn: ↑bijugous leaf, ↑twice pinnate • Hypernyms: ↑pinnate leaf … Useful english dictionary
