Kalanchoe × forbesiae (Crassulaceae subfam. Kalanchooideae) derived from K. lubangensis × K. sexangularis: towards improved horticultural material Author Smith, Gideon F. 0000-0002-5417-9208 Department of Botany, Nelson Mandela University, P. O. Box 77000, Gqberha [Port Elizabeth], 6031 South Africa. smithgideon 1 @ gmail. com; https: // orcid. org / 0000 - 0002 - 5417 - 9208 smithgideon1@gmail.com Author Hankey, Andrew 0000-0002-2144-3092 Walter Sisulu National Botanical Garden, South African National Biodiversity Institute, P. O. Box, 2194, Wilro Park, 1731 South Africa. A. Hankey @ sanbi. org. za; https: // orcid. org / 0000 - 0002 - 2144 - 3092 ankey@sanbi.org.za text Phytotaxa 2021 2021-12-23 528 5 290 300 journal article 2862 10.11646/phytotaxa.528.5.3 3cd6d58d-9b56-43b5-bd0f-a6b02d6d1e0f 1179-3163 5800520

TABLE 1. Morphological differences among K. lubangensis, K. × forbesiae, and K. sexangularis. K. = Kalanchoe.

#	Character	K. lubangensis	K. × forbesiae	K. sexangularis
A.	Vegetative
1.	Red infusion of peduncles	Absent	Present	Strong to very strong
2.	Red infusion of leaves	± absent or weak	Weak	Strong to very strong
3.	Leaf blade size (l × w) (mm)	60–80(–110) × 35–40	90–120 × 65–70	60–140 × 40–100
4.	Leaf blade curvature	Not recurved in upper ½	Not recurved in upper ½	Recurved in upper ½
B.	Reproductive
5.	Lifespan	Biennial	Perennial through basal suckers	Perennial
6.	Peduncle colour	Light green	Red-infused	Strongly red-infused
7.	Pedicel length (mm)	10–20	4–5	4–8
8.	Sepal size (mm)	(2–)5–7 × (1.5–)2.5–3.0	1.5–2.0 × 0.75–1.00	2 × 1
9.	Corolla tube length (mm)	(15–)21–24	13–16	13–16
10.	Corolla tube colour	Yellowish green	Yellow to very faintly greenish-infused	Yellow to yellowish green
11.	Scale length (mm)	To 6	± 2	± 2
12.	Carpel length (mm)	13–14	6–8	7–8