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A Grammatical Dictionary of Botanical Latin

 
trich-, tricho-:

1. trich-, tricho-: in Gk comp. three, threefold [> Gk. tricha (adv.): threefold, in three parts = Lat. trifariam; cf. dich-, dicho-: in Gk. comp. two, split in two; in two;

- trichotomus,-a,-um (adj.A): trichotomous, i.e. having the divisions always in threes (tricho-tomus). TO DO sub three

- trichotomia,-ae (s.f.I): trichotomy, a dividing into three parts; see -tomy.

- trichodontus, characterized by three teeth.

- trichotomosulcatus,-a,-um (adj.A): in pollen, with a three-slit aperature.

NOTE: not to be confused with trich-, tricho- ‘hair, -haired.’

2. trich-, tricho-, -trichus,-a,-um (adj.A), -trichum,-i (s.n.II): in Gk. comp., hairy or hair-like, -haired, -trichous [> Gk. thrix, gen.sg. trichos (s.f.III), the hair, both of man and beast, sheep's wool, also of the beard]; see hair;

- trichantherus, with hairy anthers; trichanthus, with hairy flower; trichocalyx, with hairy calyx; trichocarpus, hairy-fruited; trichodon, with hairy teeth; trichocoleus, with hairy sheath; trichophyllus, with hairy leaves, or fine hair-like leaves; trichorrhachis, with hairy rachis.

- dialytrichus; with separate hairs; dimorphotrichus, with two kinds of hairs; heterotrichus, having hairs of more than one kind or length.

- trichodermium,-ii (s.n.II), abl.sg. trichodermio, an outer layer in basidiocarps composed of hair-like elements.

- ectotrichus,-a,-um (adj.A): ectotrichous, living on the surface of hair.

Often used in moss taxon names due to the hair-like processes of the peristome teeth in many groups. Dialytrichia,-ae (s.f.I) (Schimp.) Limpr. [> Gk. dialos, parted and trichos, hair, in reference to the fine teeth of the peristome. Ditrichum,-ii (s.n.II), from Gk. di-, two, and tricho-, hair, in reference to the divided and hair-like peristome teeth in these mosses; Orthotrichum,-ii (s.n.II), from Gk. orthos, straight, and trichos, a hair, in reference to the straight hairs on the calyptra; Porotrichum Brid, from Gk. poro-, pore, perforation, and trich-, hair in allusion to the perforated processes (endostome teeth) of the inner peristome; Psilotrichum Bl., with smooth or naked hairs. Trichostomum,-i (s.n.II), abl. sg. Trichostomo, 'hairy mouth' in allusion to the peristome teeth around the orifice; Trichodon,

-ontis (s.m.III), abl. sg. Trichodonte, the slender divisions of the peristome resembles a 'hairlike' tooth.

Trichostema,-atis (s.n.III), from “Greek thrix, hair, and stema, stamen, from the capillary filaments” (Fernald 1950).

NOTE: not to be confused with trich-, tricho-, in Gk comp. three, threefold; see trich-, tricho.

 

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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