提供: 広島大学デジタル自然史博物館 植物
Glossary of Plant Systematics (1st ed.) by Simpson (2006)
- (a) A secondary axis in a compound umbel. (inflorescence part) (b) A corolla with a short tube and a single, elongate, straplike apical extension, e.g. some Asteraceae. Syn: ligulate. (perianth type) (c) Radially oriented cells that occur in bandlike strands in the secondary xylem (wood), functioning in lateral translocation of water, minerals, and sugars.