Mindblown: a blog about philosophy.

Specialised part of the stem bearing rhizoids (as in Selaginella).  

Possessing an underground stem. With a rhizome. A plant that grows from rhizomes.  

A hair (often branched) serving as a root; Thread-like rootlets in pteridophytes; Small rootlike organs (e.g. coming from the base of the inflorescence in Utricularia). A rootlike structure attached to the stem base, usually white or brightly colored, soft but tough. Colonial shape description implying branched, root-like growth (from the Greek rhiza—root, eidos—form).  

Producing roots [unusual term].  

Plant with roots that are perennial but stems or shoots that are annual [unusual term].  

Soil bacterium that fixes nitrogen and has an association with a plant.  

Sub-umbellate cluster, fan-shaped cyme, the lateral branches developing in one plane, alternately in opposite directions, with the main axis appearing zig-zag (mainly in Iridaceae).  

Plant adapted to fast-flowing water, usually with long slender leaves.  

Ridge of tissue connecting the base of the nucellus with the placenta. The prolongation of a seed stalk along the side of an ovule.  

Axis of grass spikelet; rachilla is the preferred spelling.