This section is from the book "The Standard Cyclopedia Of Horticulture Vol2", by L. H. Bailey. See also: Western Garden Book: More than 8,000 Plants - The Right Plants for Your Climate - Tips from Western Garden Experts.
Fig. 1083. Stemless: leaves in a rosette, crowded, cuneiform, mucronate, glaucous, curving upward: flowers in a 1-sided, recurved spike, reddish yellow; peduncle long, 6-12 in. high. June-Aug. Mex. B.R. 26:57. - Probably the most common species in gardens. Distinguished by its pale green red-tipped rosettes; several forms. Half-hardy. E. glauca, Baker (E. secunda variety glauca, Otto), has glaucous-green foliage. See pp. 1086-7.
Fig. 1083. Cotyledon secunda. (Detail X 1/2) bbb. Leaves broader, flat, often very fleshy.
gg. stem evident, often tall (caulescent species).
Caulescent, branching: leaves large, glaucous, oval, acute, narrowed into a long plane petiole-like part: flowers dingy red with yellow tips, broadest at base, in drooping racemes; sepals linear, acute, green, spreading, shorter than the corolla. Mex. B.R. 31:27. P. 1087.
stem 4-8 in. tall, but bearing long leafy flower-branches: leaves obovate-spatulate, pale glaucous green, clustered: flowers bright red with yellow base, in nodding racemes. Mex.
stems 1-2 ft. high: leaves flat, wedge-shaped, acutely mucronate, crowded at the ends of the branches: flowers short-petioled; panicle branches 1-sided, spreading; corolla gibbous at the base between the calyx-lobes, the tube white, the tips touched with crimson. Mex. B.R. 1247. variety metallica, Baker (Echeveria metallica, Hort.). Leaves large, obovate-spatulate, 6 in. wide by 7 in. long, a beautiful glaucous purple with metallic reflections: flowers yellowish with red tips. Mex. - An excellent plant for summer bedding. P. 1087.
Plant soft-pubescent, 1-2 ft.: leaves lance-spatulate: flowers scarlet and yellow or paler within, in axillary long leafy, 15-25-flowered, loose spikes. Mex. B.M. 2572. P. 1086.
ee. Corolla not strongly angled. f. Flowers in a dense spike. (Courantia.)
stems branching, 1 ft.: leaves oval, erect, acute, mostly in terminal rosettes on the sterile shoots: flowers yellow, in dense rose-bracted spikes; sepals linear-acute, rose-colored; corolla bell-shaped, 5-parted. Mex. B.R. 28:22.
ff. Flowers in cymes or panicles. (Dudleya.)
(Echeveria pulverulenta, Nutt. E. farinosa, Hort. Dudleya pulverulenta, Brit. & Rose). Leaves in a rosette, silvery green, very mealy, spatulate, acute, the tips reflexed, the cauline leaves gradually diminishing into broadly cordate, clasping bracts: panicles dichotomously branched; pedicels slightly longer than the pale scarlet or coral flowers Plants 1 ft. diam. S. Calif. F.S. 19:1927-8. - A fine plant for carpet-bedding.
(Echeveria Purpusii, Schum., not Brit. Dudleya Purpusii, Brit. & Rose). Cespitose, with powdered snow-white foliage: leaves densely rosulate, broadly spatulate, acuminate: flowers in a branching upright cluster; corolla conico-tubular, much exceeding calyx; segments scarlet with golden yellow tips. S. Calif. B.M. 7713. G.C III. 20:698. Gt. 45, p. 609.
(Echeveria lanceolata, Nutt. Dudleya lanceolata, Brit. & Rose). Green or slightly glaucous, acaulescent: leaves in a rosette, lanceolate, acuminate, slightly mealy; stem - leaves or bracts small, cordate, clasping, distant: panicle narrow, dichot-omous: flowers red and yellow; calyx-lobes broad-ovate, 1/6in. long; corolla 1/2in. or more long. S. Calif.
(D. Cotyledon, Brit. & Rose. Sedum Cotyledon, Jacq. Echeveria californica, Baker). Plant acaulescent, tinged red: leaves in a rosette, concave, ligulate, lanceolate, acute, glaucous, mealy, slightly yellowish, 8 in. long: flowers pale yellow, on weak lateral flowering stems 1-2 ft. long, with short, ovate, clasping leaves or bracts and bi- or trifid racemes. Calif.
Many garden names occur in Cotyledon, some of which are unidentifiable and some of which probably represent hybrids. C. devensis, Hort. Hybrid between probably C. glauca and C. gibbiflora: flower-stems 5-7 ft. long. B.M. 8104. - C. elegans, N. E. Br.= Oliveranthus. - C. eximia, Hort.= (?). - C. globosa, Hort., see page 1087. - C. globulariaefolia. Baker. Rosulate, 8 in.: leaves 30-40, obovate-spatulate, 2 1/2 in. or less long: flowers white tinged red, 20-40 in a dense thyrse-like cluster. Syria. - C. imbricata, Hort., described on p. 1087. - C. insignis, N. E. Br. About 2 ft., wholly glabrous, erect, light green: leaves opposite, broad, to 5 in. long: flowers light red with lobes greenish yellow inside, 1 1/2 in- long, in terminal and axillary cymes. Cent. Africa B.M. 8036. - C. mirabilis, Hort., hybrid. -C. mucronata, Baker.=Echeveria, p. 1086. - C. nana. Marl. Very dwarf, 1 1/2 in. or less high, densely branched and forming a tuft: leaves yellowish green, not apiculate. S. Africa - C. Pestaldzzae, Mast. Leaves distributed, the radical ones spatulate-obtuse and margins slightly denticulate, the cauline obovate-oblong: flowers pale rose, somewhat secund in a glandular-hairy panicle.
Cilicia. - C. pulvinata, Hook. f. =Echeveria, p. 1086. - C. sedoides, DC. Annual, creeping, smooth: leaves sedum-like, oblong and obtuse, convex: flowers few, pink, in summer. Pyrenees. Distinguished from Sedum by the gamopetalous corolla. -C. spindsus, Linn. Small and quaint, Apicra-like, with a rosette of flat spoon-shaped spine-tipped leaves, 12 in. or more tall: flowers yellow, in early summer. Siberia to China and Japan, but not hardy. - C. superba, Hort., is an annual with yellow flowers - C. teretifolia, Thunb. stem somewhat woody, 6-8 in. high, simple or branched: leaves 4-5 in. long, opposite, nearly terete, acute or cuspidate, hirsute or subglabrous: flowers many, corymbed, the peduncle to 18 in., yellow; corolla-tube a little shorter then calyx. S. Air.
L. H. B.†