Haworthiopsis sect. Koelmaniorum Gildenh. & Klopper, 2016

Gildenhuys, Sean D. & Klopper, Ronell R., 2016, A synoptic review and new infrageneric classification for the genus Haworthiopsis (Xanthorrhoeaceae: Asphodeloideae), Phytotaxa 265 (1), pp. 1-26 : 12

6c. var. radula (Jacq.) Rowley (2015: 2)

Bas.:— Aloe radula Jacquin (1804: 11) ≡ Apicra radula (Jacq.) Willdenow (1811: 270) ≡ Haworthia radula (Jacq.) Haworth (1812:

93) ≡ Haworthia attenuata var. radula (Jacq.) Bayer (1999: 167) ≡ Haworthia pumila subsp. radula (Jacq.) Halda (1997: 37)

[“ Haworthiopsis attenuata var. radula (Jacq.) Rowley” (2013a: 4) nom. inval. (Art. 35.1, McNeill et al., 2012)]. Type (lectotype designated by Scott 1985: 18):—(icon) in Jacquin (1804: t.422). Type (epitype designated by Breuer & Metzing 1997: 10):— SOUTH

AFRICA. Eastern Cape: 1.6 km from Hankey to Thornhill [QDS: 3324DD], 1940, G.G. Smith 3190 (NBG0115013!). = Aloe radula var. major Salm-Dyck (1817: 4) = Aloe radula var. media Salm-Dyck (1817: 4) = Aloe radula var. minor Salm-Dyck (1817: 4) = Haworthia radula var. asperior Haworth (1821: 54) = Haworthia radula var. laevior Haworth (1821: 54) = Haworthia radula var. pluriperlata Haworth (1821: 54)

Distribution: —This variety is limited in distribution and found in the area of Hankey, Eastern Cape, South Africa.

C. Haworthiopsis sect. Koelmaniorum Gildenh. & Klopper sect. nov.

Haworthiopsis G.D.Rowley sect. Koelmaniorum Gildenh. & Klopper Sectio nova Tessellatis affinis sed habitu solitario, depresso, non sobolifero, radicibus valde incrassatis, foliis rigidis, acutis usque triangulatis,supra planis vel convexis, obscure pellucidis,tuberculatis, tuberculis obscure translucentibus, subtus tuberculis irregularibus concoloribus, saepe in cristas transversas confluentibus, differt.

Type: — Haworthiopsis koelmaniorum (Oberm. & Hardy) Boatwr. & J.C.Manning in Manning et al. (2014: 70) ≡ Haworthia koelmaniorum Obermeyer & Hardy (1967 : t. 1502)

Affinities with sect. Tessellatae. Plants solitary, rarely dividing, rosulate, acaulescent. Roots swollen. Leaves spirally disposed, spreading, firm, acuminate to triangular; upper surfaces flattened to convex, windowed, translucence opaque, with raised translucent bumps, lined inside the window, occasionally connecting transversely; lower surfaces with raised concolorous tubercles often forming transverse ridges; margins with raised cartilaginous tubercles occasionally becoming teeth. Inflorescence simple gracile raceme. Flowers slender and smaller than usually found, tepals fused about halfway towards the base, base rounded-hexangular.