Description Physochlaina

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bisected fruiting calyx , separate operculum of physochlaina physaloides



the yellowish-buff, pitted, reniform seeds of physochlaina species - p. physaloides, gathered in altai mountains near mongolian city of khovd in august 1989.


perennial herbs, differing in type of inflorescence - terminal, cymose panicle or corymbose raceme - other 5 genera of subtribe hyoscyaminae within tribe hyoscyameae of solanaceae. flowers pedunculate (not secund, sessile/subsessile in hyoscyamus). calyx lobes subequal or unequal; corolla campanulate (bell-shaped) or infundibuliform (funnel-shaped), lobes subequal or unequal, imbricate in bud; stamens inserted @ middle of corolla tube; disk conspicuous; fruiting calyx lobes nonspinescent apically (i.e. lacking spiny points characteristic of calyces of related genus hyoscyamus - henbanes), fruiting calyx inflated, bladder-like or campanulate, loosely enclosing capsular fruit. fruit pyxidium (i.e. dry capsule opening distinct operculum ( = lid ) - in other 5 genera of hyoscyaminae). pollen grain polymorphic, subspheroidal, oval in polar view, circular-triangular in equatorial view.







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