A Grammatical Dictionary of Botanical Latin

involvens,-entis (part.B): enveloping, enclosing; covering [> L. involvo,-vi,-utum 3., to roll to or upon anything; to envelop, wrap up, roll around, involve; to cover, overwhelm; to enwrap, wrap, infold, envelop, surround]; cf. revolvens,-entis (part.B);

involvitur: third-person singular present passive indicative [he/she] it is enclosed, is covered, is enveloped;

- [algae] frons hic illic rumpitur, et expansione circa factam lacunam continuante, margines foraminis involvuntur, nova foramina oriuntur usque dum denique tota frons reticulatim perforata est (Agardh), the frond here and there is bursted, and with the expansion continuing around the gap that is made, the margins of the foramen are folded inward, while a new foramen arises, until finally the whole frond is perforated in a network.

- hyphae densae folia involventes, the dense hyphae overwhelming the leaves.

- calycis tubus seu torus ampliatus, demum fructum involvens v. ei adhaerens (B&H), the tube of the calyx or the torus enlarged, eventually enveloping the fruit or adhering to this.

- (moss) folium perigonii intimum brevissimum, minimum, latissimum, valde concavum, obtusiusculum, antheridia prorsus involvens (DozyMoeken), the innermost leaf of the perigonium very short, very small, very wide, strongly concave, somewhat obtuse, entirely enveloping the antheridium.

Involventia folia (pl.n.II), abl. pl. involventibus foliis: “’trifoliate leaves whose leaflets rise up, unite at the summit, and spread away in the middle so as to form an arch which shelters the flowers, as in Trifolium incarnatum’ DC.” (Lindley).

Hypnum involvens P. Beauv., a pleurocarpous moss.