Definition of Ptyxis. Meaning of Ptyxis. Synonyms of Ptyxis

Here you will find one or more explanations in English for the word Ptyxis. Also in the bottom left of the page several parts of wikipedia pages related to the word Ptyxis and, of course, Ptyxis synonyms and on the right images related to the word Ptyxis.

Definition of Ptyxis

Ptyxis
Ptyxis Ptyx"is, n. [NL., fr. Gr. ? a folding.] (Bot.) The way in which a leaf is sometimes folded in the bud.

Meaning of Ptyxis from wikipedia

- initially folded in the bud, but later unrolls it is called vernation, ptyxis is the folding of an individual leaf in a bud. The Latin word for 'leaf'...
- flowers Opposite flowers Similarly arrangement of leaf in bud is called Ptyxis. When a single or a cluster of flower(s) is located at the axil of a bract...
- specialised isomorphic root hair cells, penni-parallel leaf venation, supervolute ptyxis (left and right halves of immature leaf lamina rolled into each other),...
- or spirally arranged with blades that either lack or have a petiole. The ptyxis, or the way the leaf is folded in the bud, is either involute (i.e. having...
- the way in which the petals and sepals of a flower are arranged in a bud. Ptyxis — the way an individual leaf is folded within a bud. "leaf", Merriam-Webster...
- 2020-10-24. Retrieved 6 September 2013. Stevenson, D.W. (1981). "Observations on ptyxis, phenology, and trichomes in the Cycadales and their systematic implications"...
- slightly by a straight or twisted slit; berries free, opening from base; leaf ptyxis involute. Accepted species are as follows. A key to the species described...
- flat surface are folded along the midline to face each other. See also ptyxis, aestivation, and vernation. cone A type of fruit, usually woody, ovoid...
- (gynostegium, gynostemium, or column), which is supported by an androgynosp****. Ptyxis – the way in which an individual leaf is folded within an unopened bud....
- org. Retrieved 2022-01-14. Dennis Wm. Stevenson (1981). "Observations on Ptyxis, Phenology, and Trichomes in the Cycadales and their Systematic Implications"...