Lithops - Au Cactus Francophone

1. afenestratae
KEY TO SPECIES
Upper surface apparently opaque, with no definite transparent window.
A. Upper surface plain, more or less uniform in colour.
(a) Upper surface obconical.
(i) Upper surface creamy white or grey white.
x. Body large, upper surface with, if any, very gentle depressions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L. Ruschiorum
xx. Body small, no depressions present . . . . . . . . . . . . . . . . . . . .L. Nelii
(ii) Body and top ochre coloured, with definite impressed branched
lines in the surface . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L. lineata
(b) Upper surface oblique convex, plain, grey white . . . . . . . . . . . . . . . . L. Meyeri
B. Top definitely rugose or slightly so, with elevations and depressions to many convolutions,
depressions variously coloured, isolated coloured lines and dots not present.
(a) Warts present in the depressions . . . . . . . . . . . . . . . . . . . . . . . . . .L. verruculosa
(b) No warts present in the depressions.
(i) Top more or less uniform in colour.
x. Ridges plain, very convolute, top surface rustbrown or
slightly yellowish-brown . . . . . . . . . . . . . . . . . . . . . .L. turbiniformis
xx. Ridges vermiform, top surface chalk white . . . . . . L. Vallis‑Mariae
(ii) Depressions usually differently coloured from the ridges.
x. Body greenish white, depressions very slight, usually slightly
lighter in colour than the ridges . . . . . . . . . . . . . . . . . L. Eberlanzii.
xx. Top creamy yellowish-white to orange-yellow or slightly
brownish.
o. No margins present . . . . . . . . . . . . . . . . . . .L. gracilidelineata
oo. Margins bifurcated . . . . . . . . . . . . . . . . . . . . . . . . L. dendritica
xxx. Body dove-grey, brown-yellow to grey-white.
o. Depressions very slightly coloured or slightly darker
or very darker than ridges, body sometimes reddish,
no rust-brown lines . . . . . . . . . . . . . . . . . . . . L. karasmontana
oo. Rust brown lines at right angles to the main depressions
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L. Erniana
C. Top surface plain or rugose, with isolated red to dark-red lines and dots, or purple
lines and dots, no reticulation of markings on the top.
1. Body plain or very minutely furrowed.
(a) Body creamy white with purple to red markings in the slight
furrows . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L. van Zylii
(b) Top greyish green, with short branched red lines near the fissure
L. Marthae
2. Tap more or less rugose.
(a) Top surface very rugose, slightly grey-white with 18–23 dark bloodred
dots and lines . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L. urikosensis
(b) Top surface very slightly rugose, depressions very slight.
(i) Window bordered by a pale rust-brown band . . . . . . .L. Schwantesii
(ii) Band round window absent.
x. Top surface whitish to grey-red yellowish.
o. Top surface with minute blood-red dots or many
short lines . . . . . . . . . . . . . . . . . . . . . . . . . . L. Gulielmi
oo. Top surface grey-red yellowish, with brown-red
dots and lines. . . . . . . . . . . . . . . . . . . . . . . L. kunjasensis
xx. Top surface predominantly green-bluish to brownbluish
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . L. kuibisensis
xxx. Top surface slightly buff coloured . . . . . . . . . . . . L. Triebneri
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