A Grammatical Dictionary of Botanical Latin

orthotropous, “used of an ovule with a straight axis, the chalaza being at the insertion and the orifice or foramen at the opposite end, farthest from the hilum” (Jackson); “(Ovule or seed). Erect, with the orifice or micropyle at the apex” (Fernald 1950);” “having the ovule straight so that the chalaza, hilum, and micropyle are in the same axial line” (WIII): orthotropicus,-a,-um (adj.A), orthotropus,-a,-um (adj.A); cf. lycotropous: when an otherwise orthotropous ovule is bent like a horse-shoe (Jackson), lycotropicus,-a,-um (adj.A), lycotropus,-a,-um (adj.A); cf. amphitropous, anatropous, campylotropous; see -tropic, -tropous, -tropal;

- ovula anatropa, micropyle infera, v. in Lardizabaleis nonnullis, usque ad fecundationem orthotropa (B&H), ovule anatropous, with the micropyle lower [i.e. inferior], or in some Lardizabaleae, up until fertilization, orthotropous.

- ovula saepissime orthotropa (B&H), the ovules most often orthotropous.

- in char. ordinis, lin. 11, loco anatropum, lege orthotropum ; lin. 18, loco radícula supera, lege radícula infera (B&H), in the characters of the order, line 11, in the place ‘anatropum,’ choose ‘orthotropum;’ in line 18, in place of radicula supera, choose radicula infera.

- nos tamen in hac specie ovula orthotropa invenimus et semina iis Helianthemorum plurimorum conformia (B&H), however we detect in this species orthotropous ovules and the seeds conform to those of most Helianthema.

- testa coriacea, laevis; "albumen copiosum ; embryo orthotropus, axilis " (matura nobis desunt)(B&H), the seedcoat is leathery, smooth; “the albumen copious; the embryo orthotropous, on the axis” (mature [sc. seeds] absent with us).

- ovula ex apice loculi collateraliter péndula, orthotropa v. lente curva ?, raphe ventrali (B&H), the ovules pendulous, side by side from the apex of the locule, orthotropous or gently curved, with the raphe ventral.

- embryo orthotropus, cotyledonibus latis foliaoois, radícula infera (B&H), the embryo orthotropous, with the cotyledons broad, leafy, with the radicle below [i.e. inferior].

- (a quibus differt ovulis non orthotropis) (B&H), (from which it differs by the ovules not orthotropous).

NOTE: camptotropous, “an orthotropal ovule, curved downwards like a horse-shoe, with the sides adherent (Lindley): camptotropicus,-a,-um (adj.A), campylotropus,-a,-um (adj.A).