A Grammatical Dictionary of Botanical Latin

commissural, pertaining to the commissure or juncture: commissuralis,-e (adj.B); see sutural; see sutural;

- nervis marginalibus commissuralibus carentibus differt, it differs by the marginal, commissural nerves lacking.

- linea (s.f.I) commissuralis, abl. sg. linea commissurali, commissural line or line of juncture.

- mericarpia jugis primariis 5 filiformibus 3 intermediis dorso, duobus lateralibus plano commissurali impositis, secundariis quatuor, exterioribus in alam membranaceam expansis, interioribus nudis aut alae rudimentum solum ferentibus (Boissier), the mericarps with 5 primary ridges, thread-shaped, 3 intermediate on the base, with the two lateral situated on the commissural plane, the secondary ones 4, with the outer ones expanded into a membranaceous wing, the inner naked or only bearing the vestige of a wing.

- [Verbena] carpidia dorso brunnea nigrescentia striata, lateribus commissuralibus subtilissime et pallide punctato-scabra (F. Mueller), carpidia on the back brown becoming blackish, striate, with the commissural sides very lightly and palely punctate-scabrous.

- [alga; Pediastrum]) in cellulis eremobiis talia cornicula observantur 5, singulos radios terminantia in cellulis radialibus coenobiorum 4, angulos loborum occupantia, lateralia cum iis cellulae vicinae plerumque in unum confluentia indeque commissuralia (Braun), in eremobic cells 5 such things like little horns were seen, four terminating each individual ray in the radial cells of the coenobia, occupying the angles of the lobes, the lateral ones usually with those of the neighboring cells confluent into one [i.e. a unit] and for that reason are commissural.

commissural pores, in Sphagnum, pores arranged along the margins of hyaline cells; “in Sphagnum, pores along the commissures are thus arranged along the sides of the hyalocysts” (Magill 1990): porus (s.m.II) commissuralis, abl. sg. poro commissurali.