Arisaema bockii Engler

[Jim McClements, Dover, DE z6]

Greg

Here's the English translation (as kindly provided to me several years ago by
William Dress of Cornell University) of the description in Engler, Das
Pflanzenreich: Araceae-Aroideae, IV. 23F, p161 (1920)

19. Arisaema bockii Engler. One-leaved, dioecious. Tuber depressed, globose, 6
x 4 cm. in diameter. Cataphylls embracing the peduncle, somewhat glaucous, the
tallest one 1.2 dm. long. Leaves solitary. petiole 2.5 dm. long, vaginate for
up to 1.5 dm. of ite length. Blade large, gree, slightly glaucous underneath,
pedatisect, the segments (leaflets) 5-7, oblong or elliptic, acute at both
ends; the central one supported by a stalk (petiolule) 2.5 to 3 cm. long,
(this central segment)1.7 dm. long and 7-9 cm. wide, the lateral ones somewhat
more shortly stalked and somewhat inequilateral, all sharply toothed on the
margin, lateral veins (nerves) several, spreading. Peduncle a little
overtopping the leaf sheath, 2 dm. long, thickened above. Spathe unknown.
Spadix in fruit broadly conical, almost 5 cm. long, 2 cm. thick in the lower
part; appendage ca. 2 cm. long. Pistils oblong, subtruncate vertically,
crowned with a sessile stigma, several-ovuled. (see) Figure 28A-C.

Subtropical, east Asian (transitional province?)

Subtropical Sz-tchwan: Nan-tschan: tag ai kuo([collected by] Bock & von
Rosthorn - out of flower in September)


I hope this makes more sense to you than it does to me!

Jim