rachis
1. The main stalk of a flower cluster or the main leafstalk of a compound leaf. 2. In ferns, the continuation of the stipe through a compound frond.
GardenWeb Glossary of Botanical Terms
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Rachis
The central axis that carries flowers or leaves.
Radical ...
Rachis The axis along which the leaflets of a pinnate leaf are arranged .
Radial Arranged around and spreading from a common center.
Radical Of or pertaining to the root.
Winged rachis - compound leaf stem with a membrane-like extension on both sides of the rachis, as in Rhus copallinum (winged sumac).
Stipule Types ...
rachis search for term- n., the central prolongation of the stalk (peduncle), the axis through an inflorescence, or of a leaf stalk (petiole), the axis through a compound leaf.radially search for term- a.
rachis: an extension of the peduncle serving as the axis of an inflorescence repent: more or less horizontal, creeping resin: a usually sticky, ...
The blooms of new basil hybrids are carried on shorter inflorescences-10 to 13 whorls of six flowers tightly arranged along each rachis (spike)-that cover the dark green foliage for several weeks.
spike. An elongated inflorescence in which the individual flowers are borne tightly against the main stem or rachis.
spiracle. An external opening of the system of ducts, or tracheae, that serves as a respiratory system in insects.
 See also: Pinna, Plant, Frond, Evergreen, Pinnate
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