A Grammatical Dictionary of Botanical Latin

involucratus,-a,-um (adj.A): involucrate, involucred; having an involucre or ring or rings of bracts around the base of an inflorescence; “having an involucre of some kind” (Jackson); being enveloped as in an involucre;

- [Cyperaceae} Umbella terminalis, irregulariter composita, bracteis exterioribus longe foliaceis involucrata (B&H), the umbel terminal, irregularly compound, involucrate with the outer bracts long-leafy.

- [Reedia] spiculae biflorae subovatae sessiles in spicam simplicem aequaliter cylindraceam spathis praelongis involucratam densissime confertae (F. Mueller), the spikelets with two flowers, nearly ovate, sessile, very densely crowded into a simple [i.e. unbranched] evenly cylindric spike involucrate with a very long spathe.

- inflorescentiarum bracteis involucratis caducis, with the involucrate bracts of the inflorescences falling off.

- [Portulaca] floribus polyandris paucis in apice ramulorum confertis sessilibus folioso-involucratis (F. Mueller), with the flowers polyandrous, few, crowded at the apex of the branchlets, sessile, foliose-involucrate.

- [Fimbristylis] capitulis terminalïbus solitariis rariusve binis polystachyis brevissime involucratis (F. Mueller), with the capitula terminal, solitary or more rarely in twos, with many spikes, very shortly involucrate.

- umbellis simplicibus ramos terminantibus paucifloris pari foliorum involucratis (F. Mueller), with the umbels simple [i.e. undivided], terminating branches, few-flowered, involucrate with a pair of leaves.

- capitula subglobosa, ut plurimum terminalia foliis involucrata vix uncialia (F. Mueller), the capitula almost globose, mostly terminal, involucrate with leaves, scarcely an inch long.

- flores in capitula involucrata densissime congesti in Diplolaena ; monoici in Empleuro; dioici in Empleuridio paucisque Zanthoxyleis (B&H), flowers very densely congested into a capitula [provided with an involucre] in Diplolaena; monoecious in Empleurum, dioecious in Empleuridium and a few Zanthoxyleae.

- Clematis cyrrhosa, pedunculis 1-floris involucratis (DeCandolle), with the peduncles 1-flowered, provided with an involucre.

- pedunculis unifloris sub flore involucratis (DeCandolle), with the peduncles one-flowered, provided with an involucre below the flower.

exinvolucratus,-a,-um (adj.A): not forming an involucre;

- (Cyperaceae) spicula terminalis, solitaria, erecta, exinvolucrata, nisi gluma extima vacua (v. bractea glumiformi) (B&H), spikelet terminal, solitary, erect, not involucrate, unless the outermost glume is empty (or with a glumiform bract).

Stylidium involucratum, “pedunculis terminalibus verticillos florum sessilium duos involucratos gerentibus” (F. Mueller), with terminal peduncles bearing two involucrate verticils [i.e. whorls] of sessile flowers.