Dictionary of Botanical Epithets

rhodotrichus - roridus

© 2019

Epithet	Definition
	Derivation	Stem	Type/ Gender	Meaning
rhodotrichus rhodotricha rhodotrichum	red haired
	rhodon	rhod	noun/n	ροδον a rose
	o	o	cnct	connective vowel in botanical Latin, usually for Greek words but in some cases, such as color tingeing, for Latin words
	thrix	trich	noun/f	ϑριξ, τριχοϛ hair, wool, bristle
	us		adj	Latinizing suffix
	Pedicularis rhodotricha Maxim.
rhombicus rhombica rhombicum	diamond shaped
	rhombus	rhomb	noun/m	ρομβοϛ a magician's circle, a four sided geometric figure whose opposite angles and sides are equal
	icus	ic	adj	-ικοϛ adjective suffix for nouns: belonging to, from, of
	Rhododendron rhombicum Miq.
rhombifolius rhombifolia rhombifolium	diamond shaped leaves
	rhombus	rhomb	noun/m	ρομβοϛ a magician's circle, a four sided geometric figure whose opposite angles and sides are equal
	i	i	cnct	connective vowel used by botanical Latin
	folius	foli	adj	folium leaf
	Thermopsis rhombifolia (Nutt. ex Pursh) Nutt. ex Richards. Pittosporum rhombifolium A. Cunn. ex Hook. Rubus rhombifolius Weihe
rhombiformis rhombiformis rhombiforme	diamond shaped
	rhombus	rhomb	noun/m	ρομβοϛ a magician's circle, a four sided geometric figure whose opposite angles and sides are equal
	i	i	cnct	connective vowel used by botanical Latin
	formis	form	adj	in botanical Latin a substantive suffix for nouns derived from 'forma': to be in the form or shape of...
	Hexastylis rhombiformis Gaddy
rhomboidalis rhomboidalis rhomboidale	diamond shaped
	rhomboides	rhomboid	noun/n	ρομβοειδεϛ a four sided geometric figure whose opposite sides and angles are equal
	alis	al	adj	adjective suffix for nouns: of or pertaining to
	Asplenium rhomboidale Desv. Campanula rhomboidalis L.
rhomboideus rhomboidea rhomboideum	diamond shaped
	rhomboides	rhomboid	noun/n	ρομβοειδεϛ a four sided geometric figure whose opposite sides and angles are equal
	eus	e	adj	-εοϛ adjective suffix for nouns: belonging to, from, of
	Saxifraga rhomboidea Greene Asplenium rhomboideum Brack. Ranunculus rhomboideus Goldie
rigens rigens rigens	somewhat rigid
	rigens	rigent	apar	rigeo to stiffen, to be numb
	Crataegus rigens Beadle
rigescens rigescens rigescens	somewhat rigid
	rigescens	rigescent	apar	rigesco to stiffen, to become numb
	Anthemis rigescens Willd.
rigidior rigidior rigidius	more rigid
	comparative of rigidus	rigid	adj	stiff, hard, inflexible, rigid
	ior		adj	comparative suffix; more so, to a greater degree; more-, -er (e.g. larger, prettier, whiter)
	Oxypolis rigidior (L.) Raf. Sium rigidius L.
rigidissimus rigidissima rigidissimum	very, most rigid
	superlative of rigidus	rigid	adj	stiff, hard, inflexible, rigid
	issimus	issim	adj	superlative suffix; most so, to the greatest degree; most-, -est (e.g. largest, prettiest, whitest)
	Arabis rigidissima Rollins Echinocereus rigidissimus (Engelm.) hort. ex Haage
rigidulus rigidula rigidulum	somewhat rigid
	rigidus	rigid	adj	stiff, hard, inflexible, rigid
	ulus	ul	adj	adjective suffix for adjectives: diminutive
	Gilia rigidula Benth. Carum rigidulum (Viv.) W. D. J. Koch ex DC. Asparagus rigidulus Nakai
rigidus rigida rigidum	rigid
	rigidus	rigid	adj	stiff, hard, inflexible, rigid
	Solidago rigida L. Epilobium rigidum Hausskn. Helianthus rigidus (Cass.) Desf.
ringens ringens ringens	gaping
	ringens	ringent	apar	ringor to open the mouth wide
	Mimulus ringens L.
riparius riparia riparium	of river banks
	riparius	ripari	adj	frequenting river banks
	Anemone riparia Fern. Agropyron riparium Scribner & J. G. Smith Aster riparius Kunth
rivalis rivalis rivale	growing by streams
	rivalis	rival	adj	of or belonging to a stream
	Geum rivale L. Calyptrogyne rivalis (O.F. Cook) Leon
rivularis rivularis rivulare	from a stream side
	rivulus	rivul	noun/m	a small stream
	aris	ar	adj	alis adjective suffix for nouns: of or pertaining to
	Brachythecium rivulare Schimp. in B.S.G. Anemone rivularis Buch.-Ham.
robustior robustior robustius	more robust
	comparative of robustus	robust	adj	rubustus of oak; hard, strong, robust
	ior		adj	comparative suffix; more so, to a greater degree; more-, -er (e.g. larger, prettier, whiter)
robustus robusta robustum	robust
	robustus	robust	adj	rubustus of oak; hard, strong, robust
	Agathis robusta (C. Moore ex F. Muell.) Bailey Stenanthium robustum S.Wats. Bolboschoenus robustus (Pursh) Soj€k
romanus romana romanum	Roman
	romanus	roman	adj	of or belonging to Rome, Roman
	Sideritis romana L. Holoschoenus romanus (L.) Fritsch
roridus rorida roridum	dewy
	roridus	rorid	adj	wet with dew
	Salix rorida Lacksch.