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91 The naming of organisms (and plant communities)
homotype, [homeotype, homoeotype, homoiotype, homeotypical]: (1)
(zool., unoff.) any specimen that has been directly compared with
the holotype by someone other than the original author who is
recognized as an authority on the group of organisms concerned and
considered to belong to the same species or subspecies; see also
metatype. (2) (prok., unoff.) a strain of the same species and the
nomenclatural type. (3) (not nomenclatural) also used for organs
formed or constructed according to the same plan or type.
homotypic synonym: (bio., bot.) a synonym based on the same type as that
of another name in the same rank (e.g. different combinations with
the same basionym); a nomenclatural synonym; an objective
synonym in (prok.) and (zool.).
hortulanorum, [hort.]: (bot., cult. pl.,unoff.) of gardeners; in citations of
scientific names, used to indicate a name used by gardeners.
hortus, [hort., horti; pl. hortorum]: (bot., cult. pl., unoff.) a garden, or of
the garden; in citations of specimens, used to denote material of
garden origin.
hortus siccus: (bot., obsol.) a collection of dried plants; see exsiccata,
herbarium.
host: a living organism that furnishes food and(or) lodging to another (i.e. a
commensal, mutualist, parasite, or other symbiont); see also
symbiotype.
host type: see locality type.
HT: holotype (q.v.).
hybrid: the progeny of the sexual union of individuals belonging to
different taxa; a sexual hybrid; see also graft hybrid, mechanical
hybrid.
hybrid formula: (bio., bot., cult. pl., phyl.; and zool., unoff.) an expression
consisting of the names of the parent taxa of a hybrid with a
multiplication sign (q.v.), x, placed between them; designating a
single organism or set of organisms of hybrid origin.
hybrid name: (prok.) a name formed by combining words derived from
different languages.