longitudinal slits

Listing 1 - 7 from 7 for longitudinal slits

Angiosperm Families - Acanthaceae Juss.
... from one another, or connivent; dorsifixed (often with one lobe reduced or abortive); dehiscing via longitudinal slits; unilocular to bilocular; tetrasporangiate; appendaged (the connective often long, cf. Salvia), or unappendaged. Endothecium developing ...
delta-intkey.com

Angiosperm Families - Aceraceae Juss.
... , or diplostemonous, or triplostemonous. Anthers dorsifixed (slightly), or basifixed; versatile, or non-versatile; dehiscing via longitudinal slits; introrse; tetrasporangiate. Endothecium developing fibrous thickenings. Anther epidermis persistent. Microsporogenesis simultaneous. The initial microspore tetrads ...
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On-Line Glossary: R
... the Uredinales an aecium with a cornute peridium, thin at the sides, usually rupturing by longitudinal slits, and made up of characteristically marked and imbricated cells. The name is taken from the ...
ppathw3.cals.cornell.edu

Chapter 3: Taxonomy, Page 1
... more); isomerous with the perianth, or diplostemonous (usually), or triplostemonous to polystemonous. Anthers dehiscing via longitudinal slits; latrorse; tetrasporangiate. Endothecium developing fibrous thickenings. The thickenings spiral. Anther epidermis persistent. Microsporogenesis successive, or ...
www.plantapalm.com

The Cycad Pages
... sometimes themselves branched. New leaves emerging singly. Cataphylls absent. Leaves: bipinnate, longitudinal ptyxis circinate, horizontal ptyxis involute. Leaflets with circinate ptyxis and ... bearing numerous microsporangia (pollen-sacs) on the undersurface. Microsporangia opening by slits. Pollen cymbiform, monosulcate. Male cones stalked, ovoid. Megasporophylls: spirally orthostichous, aggregated ...
plantnet.rbgsyd.nsw.gov.au

The Cycad Pages
... with cataphylls, lower leaflets not reduced to spines. Petioles often with prickles. Longitudinal ptyxis erect, horizontal ptyxis erect. Leaflets simple, entire, with numerous bifurcating ... bearing numerous microsporangia (pollensacs) on the abaxial surfaces. Microsporangia opening by slits. Pollen cymbiform, monosulcate. Megasporophylls: spirally orthostichous, aggregated into stalked or sessile ...
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MBG: Research: Projects: South America: Venezuelan Guayana
... , or stamens free and numerous (sometimes reduced to 3 or 5); anthers dehiscent by longitudinal or transverse slits or a variety of pore types (Clusia). Ovary compound, superior, of (1-)3-5 ...
www.mobot.org