POTATO FAMILY nr 



clustered; herbs, shrubs or vines with alternate or rarely opposite, entire, 

 toothed, lobed or dissected leaves. 



1. Herbs 



a. Calyx inrlated and balloon-like in fruit 



(1) Flowers purple, bell-shaped, erect QUINCULA 



(2) Flowers yellow or yellowish, saucer- 



shaped, nodding PHYSALIS 



b. Calyx not balloon-like in fruit 



(1) Corolla saucer-shaped 



(a) Fruiting calyx enclosing the fruit CHAMAESARACHA 



(b) Fruiting calyx not enclosing the fruit SOLANUM 



(2) Corolla funnelform or salverform 



(a) Corolla lobes irregular, tube short HYOSCYAMUS 



(b) Corolla lobes regular, tube long 



x. Fruit prickly DATURA 



y. Fruit smooth NICOTIANA 



2. Shrubs . LYCIUM 



CHAMAESARACHA Gray 1876 GROUND SARACHA 

 (A hybrid, meaning ground Saracha) 



Sepals 5, united into a bell-shaped calyx, somewhat enlarged in fruit 

 but not inflated, close-fitting to the berry, not exceeding the berry, petals 

 5, white or cream-colored, often tinged with purple, united into a saucer- 

 shaped corolla, stamens 5, inserted near the base of the corolla, style 

 slender, somewhat bent, stigma minutely 2-cleft, fruit a berry; flowers 

 solitary or in groups of 2-4 in the axils ; leaves entire to pinnately cut, 

 the blade running down on the leaf-stalk; perennial. 

 Leaves lance-linear to obovate, entire to lobed, vari- 

 ously hairy C. coronopus 



DATURA Linne 1753 THORN-APPLE, JIMSON WEED 



(The Hindoo name) 



Sepals 5, united into a long tube splitting circularly near the base 

 which is persistent below the prickly capsule, petals 5, white, purple or 

 violet, united into a funnel-shaped corolla, stamens 5, included or little 

 exserted, filaments thread-like, very long, inserted at or below the middle 

 of the corolla tube, ovary with 2 cavities or 4 by false partitions, style 

 thread-like, stigma slightly 2-lobed, capsule 4-valved from the top or 

 bursting irregularly; flowers solitary, erect, on short stalks; leaves alter- 

 nate, stalked, entire, wavy-toothed or lobed ; annual or perennial. 



