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[SANS] S. zeylanica and S. trifasciata

More from Horst Pfennig's 1979 article - am nearly there! should finishit
today.

Formerly, S. trifasciata was often erroneously called S. zeylanica. The
genuine S. zeylanica, however, comes from Ceylon (Sri Lanka) and has an
entirely different growth-form; its 5-11 leaves per shoot are light- and
dark-green banded, more or less reflexed, linear or narrowly lanceolate, to
75 cm long but very fleshy, forming a longtitudinal channel up to 2.5 cm
wide. This species is only of interest for the reason mentioned.

S. trifasciata is a native of Nigeria, and its yellow-margined variety
laurentii occurs in the former Congo. Both are well-known. Among the
numerous cultivars "Silver Cloud" deserves special mention: like those
already mentioned in growth-form, its leaves are whitish-green at first,
later dark green with only a faint transverse banding. Then there are three
cultivars analogous to the named forms just mentioned but forming a rosette
of short ellitical leaves, "Hahnii" (green), "Golden Hahnii" and "Silver
Hahnii". The last two are especially attractive, although "Golden Hahnii"
is slow-growing, delicate, and thus justifiably quite expensive.

Frances Verrity
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