By Reto F. Dicht, Adrian D. Lüthy
This special reference paintings provides the 1st accomplished taxonomy of Coryphantha, with an entire key to the genus. It features a new taxonomic category of all forty three species and eleven subspecies, with morphological and ecological descriptions. those cacti, which develop in Mexico and southern united states, are characterised through their ordinary grooved tubercles and massive vegetation.
The publication is the results of a long time of viewing the literature and fieldwork through the writer workforce and their ongoing dedication to map out the nomenclature of this genus. in this method, the authors even stumbled on a few new crops.
More than three hundred top quality color pictures displaying a number of the cacti and their habitats in addition to distribution playing cards and illustrations explaining the morphological info supplement the textual content. Written in an easy-to-follow type and with a bankruptcy on cultivation stipulations, the paintings won't in simple terms be a useful reference handbook for taxonomists and horticulturalists but additionally for hobbyists and plant creditors.
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Extra info for Coryphantha: Cacti of Mexico and Southern USA
Scheeri) and fruits/ovaries with few unmarried scales (e. g. Coryphantha clavata ), remedy as an self reliant subgenus isn't really justifiable, despite the fact that, the presence of a different areole sort allows the separation into an autonomous part. Illustrations: Distribution see Plate nine, map 1; plant portrait see Plate 14, picture 2. I. B part Robustispina Dicht & A. Lüthy Cact. Syst. Init. eleven: nine, 2001. variety: Coryphantha robustispina (Schott ex Engelmann) Britton & Rose. Definition: Areoles Protocoryphantha variety: grooves changing into slowly longer on every one newly shaped tubercle throughout the ontogenesis of the person plant, this procedure being interrupted for an extended interval (years) whilst the grooves achieve approximately three-quarters of ways to the tubercle axils and incomplete 46 grooves persist on previous tubercles, flowering in basic terms after attainment of extreme size areolar grooves attaining the axils. Cortex watery. 2. Coryphantha poselgeriana (Dietrich) Britton & Rose Cactaceae four: 28, 1923 Basionym: Echinocactus poselgerianus Dietrich, Allg. Gartenz. 19: 346, 1851. variety: now not specific. Synonyms: Mammillaria salm-dyckiana Scheer in Salm-Dyck, Cact. Hort. Dyck 1849:134, 1850 nom. rejic. (Dicht 2000); Mammillaria salm-dyckiana brunnea Salm-Dyck, Allg. Gartenz. 18:394, 1850 nom. rejic. ; Echinocactus salm-dyckianus Poselger,Allg. Gartenz. 21:102, 1853, nom. rejic. ; Cactus salm-dyckianus Kuntze, Rev. Gen. Pl. 1: 261, 1891, nom. rejic. ; Coryphantha salm-dyckiana (Scheer) Britton & Rose, Cactaceae four: 28, 1923, nom. rejic. ; Coryphantha salm-dyckiana (Scheer) Britton & Rose var. brunnea (Salm-Dyck) Unger, Kakt. and. Sukk. 37(5):85, 1986 nom. rejic. ; Echinocactus saltillensis Poselger, Allg. Gartenz. 21: one zero one, 1853; Mammillaria saltillensis Bödeker, Zeitschr. Sukk-Kunde three: 268, 1928; Coryphantha poselgeriana var. saltillensis (Poselger) Bremer, Cact. Suc. Mex. 22:16, 1977; Mammillaria valida Purpus, Monatsschr. Kakt. 21: ninety seven, 1911, nom. illeg. ICBN paintings. fifty three [Non Mammillaria valida Weber, Dict. Hort. Bois 806, 1898. Nec Mammillaria scheeri var. valida Engelmann, Proc. Amer. Acad. three: 265, 1857 (=Coryphantha robustispina subsp. scheeri (Lemaire) Taylor)]; Coryphantha valida (Purpus) Bremer, Cact. Suc. Mex. 22: 14, 1977 (see ICBN artwork. fifty eight. 3); Coryphantha poselgeriana (Dietrich) Britton & Rose var. valida (Purpus) Heinrich ex Backeberg, Cactaceae five: 3050, 1961 (see ICBN artwork. fifty eight. three) [Non Coryphantha scheeri (Kuntze) Benson var. valida (Engelmann) Benson, The Cacti of Arizona 25, 1969 (=Coryphantha robustispina subsp. scheeri (Lemaire) Taylor)]; Mammillaria kieferiana 7 The Genus Coryphantha – Description of the Species Hort. ex Bödeker, Zeitschr. Sukk. -Kunde three: 270, 1928; Coryphantha kieferiana Berger, Kakteen 276, 1929; Echinocactus salinensis Poselger 1853 sensu Britton & Rose, Cactaceae 4:28, 1923; Mammillaria difficilis Quehl 1908 sensu Britton & Rose, Cactaceae four: 28, 1923. physique solitary, semi-globose to brief cylindrical, 10–30 cm excessive and 13–18 cm in diameter, boring grey-bluish-green, apex rounded, woolly, imperative skinny taproot. Tubercles in eight and thirteen sequence, close to the bottom rounded 4–6-edged, delineated by way of a groove, close to the areole convex-conical, a little flattened at the higher floor, rounded on the finish, as much as 30 mm excessive and 50 mm broad, more youthful ones narrower, as much as 25 mm lengthy, with a deep, woolly groove with 1–5 yellow-orange glands over the entire size.