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A Grammatical Dictionary of Botanical Latin

 
Dorsum, the back, lower, or outer (abaxial) side of an organ; “1. the back, or parts of the flower which face the outside; 2. in Diatoms, in forms which are more or less lunately curved, the convex side of the girdle” (Jackson); dorsum,-i (s.n.II), abl. sg. dorso, nom.& acc. pl. dorsa; syn. tergum,-i (s.n.II), q.v.; opp. venter,-tris (s.m.III), q.v., the front or adaxial side of an organ; see frons, gen.sg. frontis (s.f.III), the front, face; see latus, gen. sg. lateris (s.n.III), the side;

1. glumae concavae dorso rotundatae vel carinatae, glumes concave on the back rounded or keeled.

- siliqua teretiuscula, valvis reploque dorso rotundatis (B&H), the silicle somewhat round, with the valves and replum rounded on the back.

- glumis glabris, dorso carinatis, margine membranaceis, apice obtusis, with glumes glabrous, on the back carinate, on the margine membranaceous, at the apex obtuse.

- lobis seu a dorso vel ventre visis truncato-serratis, with the lobes seen either from the back or front truncate-serrate.

- thallus ad 15 cm latus, axillis rotundatis; dorsum thalli pallide glaucescens, reticulato-costatum scrobiculatumque; sorediis destitutum, costis et marginibus dense isidiosis, isidiis cylindricis; venter thalli brunneus aut albidus, thallus to 15 cm wide, with rounded axils; the back of the thallus pale greenish-blue, reticulate-coastate and scrobiculate (minutely pitted); lacking soredia, with costae and margins densely isidiose, with cylindric isidia; the adaxial side (front) of the thallus brown or white.

2. ridge, or summit of a hill; see ridge.

Forstera monti-dorsigena, born on the ridge of the mountain(s); F. dorsum-montis [noun in apposition], the back or spine of the mountain.

the rostellum with a quadrangular or dolabriform wing.

NOTE: dolabrate is “axe, or axe-shaped,” according to Jackson, whereas dolabriform is “hatchet-shaped;” Stearn (1996) renders them synonymous.

Hypericum dolabriforme “shaped like an axe”.

 

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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