A Grammatical Dictionary of Botanical Latin

pachy-: in Gk. comp., thick, stout [> Gk. pachys,-eia,-y, thick, large, stout]; opp. lept-, lepto-,-leptus,-a,-um (adj.A), in Gk. comp., slender, thin, narrow; in Latin crass-, crassi-, q.v.;

- pachyacanthus, with thick or stout spines, pachyanthus, thick- or stout-flowered; pachycarpus, with thick pericarp, thick-fruited; pachycaulis, with thick stems; pachychilus, thick-lipped; pachychymus, with thick sap or latex, pachycladus, with thick branches; pachyclemus, with thick branchlets (Charophyta); pachydermus, pachydermicus, thick-skinned, with wall of cell thicker than the cavity; pachyneurus, with a stout nerve; pachypetalus, with thick or stout petals, pachyphlebius, stout-veined, pachyphloeus, with thick bark; pachyphyllus, thick-leaved; pachypodus, with a thick or stoutsupport (petiole, peduncle, pedicel); pachypterus, with stout or thick wings; pachyrhizus, with thick root or thizome; pachyspermus, with thick seeds, pachysporus, with thick spores, pachystachyus, pachystachys, with thick spike; pachystylus, with thick style, pachytichus, with thick walls; pachytrichus, with thick hair or stout hairs.

(fungus) Calvatia pachyderma = Lycoperdon pachydermum = Langermannia pachyderma

(fungus) Pachyderma,-atis (s.n.III), abl. sg. Pachydermate NOTE: “Pachyderma Schulz. = Mycenastrum (Lycoperd.), fide Fischer” (Ainsworth & Bisby).

Pachycereus,-i (s.m.II): > Gk. pachys, thick + Cereus, cactus; “these cacti have very stout stems. Cactaceae” (Stearn 1996).

Pachyphragma,-atis (s.n.III) > Gk. pachys, thick + (phragma, fence, partition; “in allusion to the stout ribbed septeum of the pod. Cruciferae” Stearn 1996).

Pachyphytum,-i (s.n.II) > Gk. pachys, thick + phyton, a plant; ‘both stems and leaves are thickened on these succulent plants. Crassulaceae” (Stearn 1996).

Pachyrhizus,-i (s.m.II) > Gk. pachys, thick + rhiza, a root; “the roots of these twining herbs are thick and tuberous. Leguminosae” (Stearn 1996).

Pachystachys,-ydis (s.f.III) > Gk. pachys, thick + stachys, ear of corn, spike; “in allusion to the dense flower clusters. Acanthaceae” (Stearn 1996).

Pachysandra,-ae (s.f.I) > Gk. pachys, thick + andros, used for the stamen; > Gk. aner, andros, in the sense of stamen; with reference to the thickened white filaments. Buxaceae” (Stearn 1996).

Pachistima, probably gen. sg. -atis (s.n.III), from Gk. pachys, thick, + stigma, also spelled by Rafinesque as Paxistima and Pachystima (Fernald 1950).