MALLOW FAMILY 31 



MALVAJLES MALLOW ORDER 

 MALVACEAE MALLOW FAMILY 



Sepals 5, somewhat united, petals 5, stamens many, the filaments grown 

 into a column and united at base with the petals, ovary 5-20-celled, entire 

 or lobed, styles or stigmas 5-20, fruit a 5-celled capsule splitting when ma- 

 ture, or breaking into 5-20 nutlike segments ; flowers solitary, or in racemes 

 or spikes ; herbs or shrubs with alternate, simple, entire or divided leaves. 



1. Stigmas linear, along inner side of styles 



a. Fruit divisions 1-seeded 



( 1 ) Involucre of 3 bracts ; stamens in one tube 



(a) Petals broadly notched; fruits not beaked MALVA 



(b) Petals straight across; fruits beaked CALLIRRHOE 



(2) Involucre none 



'(a) Stamens in a double series or tube SIDALCEA 



(b) Stamens in one series CALLIRRHOE 



b. Fruit divisions 3-several-seeded ; involucre none ABUT'ILON 



2. Stigmas capitate, at tips of styles 



a. Flowers yellow SIDA 



b. Flowers white to red or vermilion 



(1) Fruit divisions 1-seeded; flowers vermilion MALVASTRUM 



(2) Fruit divisions 2-3-seeded ; flowers white to 



purple or red SPHAERALCEA 



ABUTILON Gaertner 1791 VELVET LEAF 

 (The Arabic name) 



Sepals 5, united, without accessory bracts, petals 5, yellow, anthers 

 at the top of the stamen column, ovary with 5-many cavities, stigmas at 

 the tip of the styles, fruits or carpels 2-valved, falling away after ripening; 

 flowers single, axillary; leaves entire or toothed, rarely lobed, heart-shaped 

 at base ; annual. 



1. Flowers 1-2 cm. wide; carpels 12-15, 2-beaked A. Avicennae 



2. Flowers less than 1 cm. ; carpels 5, not beaked A. pdrvulum 



CALLIRRHOE Nuttall 1821 POPPY MALLOW 

 (Gr. kailirrhoe, beautiful flowing, a famous spring at Athens) 



PL 7, fig. 8. 



Sepals 5, united at base, bracts none or 3, petals 5, white to pink or 

 rose-purple, truncate, anthers at the top of the stamen column, ovary with 

 10-20 cavities, stigmas along the inner side of the styles, fruits or carpels 



