Kalanchoe × oberlanderi (Crassulaceae subfam. Kalanchooideae), a horticulturally successful nothospecies with the Malagasy K. blossfeldiana and K. manginii as parents Author Smith, Gideon F. text Phytotaxa 2023 2023-04-24 594 1 64 72 http://dx.doi.org/10.11646/phytotaxa.594.1.4 journal article 255931 10.11646/phytotaxa.594.1.4 86706ea2-6056-47c0-927d-9550ef40b6ed 1179-3163 7868925

TABLE 1. Comparison of selected vegetative and reproductive characters of Kalanchoe × oberlanderi, with those of its two parents, K. blossfeldiana and K. manginii.

#	Character	Kalanchoe blossfeldiana	Kalanchoe × oberlanderi	Kalanchoe manginii
A.	Vegetative
1.	Plant duration	Often short-lived post-flowering	Perennial through basal sprouts	Perennial through basal sprouts
2.	Leaf colour (in exposed positions)	Mid- to dark green (reddish infused, especially towards margins)	Light to mid-green (reddish- to brownish-infused)	Light to dark green (reddish brown-bronze-infused)
3.	Leaf blade shape	Ovate-oblong to oblong	Obovate to orbicular to cordate or somewhat oblong	Obovate to spathulate to, more rarely, oblong to orbicular
4.	Leaf margins: disposition; crenation	Often curved upwards; coarsely crenate or undulate-crenate	± flat; weakly crenate	± flat; lacking crenations
5.	Leaf base	Rounded to somewhat cuneate	Cuneate	Cuneate
B.	Reproductive
6.	Pedicel length (mm)	3–4	8–10	12–30
7.	Sepal size (l × w in mm)	4–6 × 1.5–2.0	4–6 × 3–4	5–9 × 4–5
8.	Corolla tube shape	Gradually urceolate, i.e., narrowing towards mouth	Slightly enlarged above the middle, i.e., widening towards mouth	Campanulate, i.e., widening upwards, then somewhat constricted apically
9.	Corolla length (mm)	10–11	18–20	20–25
10.	Corolla tube: colour; vestiture	Light green and red-infused especially along longitudinally fluted margins; glabrous	Bright crimson red to lighter pinkish red, light green basally especially towards and where obscured by calyx; minutely white-hairy	Orange-red to deep crimson red, light green basally especially towards and where obscured by calyx; very slightly pubescent
11.	Corolla lobe size (l × w in mm); shape; colour of adaxial surface	5–6 × 3–4; ovate to oblong-ovate to oblong-deltoid; bright crimson red to scarlet	4.5–5.0 × 4.5–5.0; ovate to suborbicular; bright crimson red, red veins on a yellowish background towards throat	4–5 × 6–7; ± ovate; light red-infused-yellowish with prominent red veins
12.	Nectar scale length (mm); shape; colour	2.5–3.0; linear, distinctly tapering upwards; light yellowish	1.5–2.0; ribbon-like-linear, slightly tapering upwards; light yellowish green	2; ± vertically rectangular to ribbon-like flattened, slightly tapering upwards; light yellowish green