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A Grammatical Dictionary of Botanical Latin

 
Thyrsus,-i (s.m.II), abl.sg. thyrso, nom. pl. thyrsi, acc. pl. thyrsos, dat. & abl. pl. thyrsis: thyrse,”a panicle, whose principal diameter is in the middle between the base and apex” (Lindley); a compact panicle, somewhat ovoid, ellipsoid or cylindric in shape, with a main axis that is indeterminate and cymose branches (subaxes): thyrsus,-i (s.m.II), abl.sg. thyrso, nom. pl. thyrsi, acc. pl. thyrsos, dat. & abl. pl. thyrsis [> L. thyrsus,-i (s.m.II), “the main stem of a plant (including the crown and any sideshoots;’ a wand tipped with a fir-cone, tuft of ivy or vine-leaves (orig. concealing a spearpoint) carried by worshippers in the rites of Bacchus” (Glare 2006); > Gk. thyrsos]; in Latin caulis,-is (s.m.III); see stem;

- floribus in thyrsum dispositis, with the flowers arranged into a thyrse (acc.sg.).

- flores solitarii v. varie cymosi, saepe spicas unilaterales thyrsum paniculamve terminalem formantes (B&H), flowers solitary or variously cymose, often forming unilateral spikes or a terminal thyrse or panicle.

- flores parvi, cymulis laxis in thyrsam v. in paniculam late effusam dispositis (B&H), flowers small, with the cymules lax, arranged into a thyrse or in a broadly spreading panicle.

Leptothyrsa Hook. f.; Thyrsodium Benth. & Hook.

NOTE: a loosely spreading panicle would be panicula,-ae (s.f.I) effusa (part.A).

 

A work in progress, presently with preliminary A through R, and S, and with S (in part) through Z essentially completed.
Copyright © P. M. Eckel 2010-2017

 
 
 
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