squarrose

American Heritage® Dictionary of the English Language, Fourth Edition

1. adj. Botany Having rough or spreading scalelike processes.
2. adj. Botany Spreading or recurved at the tip: squarrose bracts.

Century Dictionary and Cyclopedia

1. In botany, rough with spreading processes; thickly set with divergent or recurved, commonly rigid, bracts or leaves, as the involucres of various Compositæ and the stems of some mosses; of leaves, bracts, etc., so disposed as to form a squarrose surface. Also squarrous.
2. In entomology, laciniate and prominent: noting a margin with many long thin projections divided by deep incisions, the fringe-like edge so formed being elevated.

Wiktionary

1. adj. rough or scaly.

GNU Webster's 1913

1. adj. Consisting of scales widely divaricating; having scales, small leaves, or other bodies, spreading widely from the axis on which they are crowded; -- said of a calyx or stem.
2. adj. Divided into shreds or jags, raised above the plane of the leaf, and not parallel to it; -- said of a leaf.
3. adj. Having scales spreading every way, or standing upright, or at right angles to the surface; -- said of a shell.