Zamioculcas zamiifolia

I addressed this to Anna Haigh at the Kew but I welcome input from anyone familiar with this plant.  I continue to receive mail from folks telling me the page is wrong no matter how I describe the central stalk that supports the leaflets which are on short petiolules.

Anna, can you pass this along to someone that can give me an accurate answer?

I have revised my page on Zamioculcas zamiifolia several times over whether or not the plant's central stalk is a petiole or a or a rachis and the leaflets are petiolulate.  I found this on cate this morning and it appears it has both but I can't discern which is which. 

http://www.exoticrainforest.com/Zamioculcas%20zamiifolia%20pc.html

Zamioculcas zamiifolia (Lodd.) Engl. sec CATE Araceae, 2009

Tuber subcylindric, ± 3-4 cm. in diameter or more, tough, woody. LEAVES: Petiole green with darker transverse blotches, 15-35 cm. long, 1-2 cm. in diameter near base; blade 20-40 cm. long; leaflets 4-8 per side, subopposite, distant, oblong-ovate to -elliptic to -obovate, sometimes oblanceolate, fleshy, dark glossy green, 5-15 cm. long, 1.5-5 cm. broad, shortly acuminate, sessile or shortly petiolulate, articulated to rhachis, cuneate to rounded basally; rhachis terete, marked like petiole.

Will you take a look at the page or ask someone that is knowledgeable about the plant to tell me exactly where the rachis and petiole differ?

All the rest of the material was taken from Pete, Simon and Josef's text The Genera of Araceaa and despite the fact growers argue with me all the time I will take their word over that of any grower that believes this plant should b grown dry.  It does grow in dry conditions part of the year, but it is not a desert species!

Thanks a bunch!

Steve Lucas
www.ExoticRainforet.com


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