Malva 



Malvaceae 



667 



Malva rotundifoha L 



4991. ALTHAEA L. 



See excluded species no. 437, p. 1073. 



4992. MALVA [Tourn.] L. Mallow 



Leaves crisped or puckered on the margins; flowers and fruit sessile. (See excluded 



species no. 439, p. 1073) M. crispa. 



Leaves not crisped or puckered on the margins; flowers and fruit not sessile. 

 Leaves with 5-9 shallow lobes. 

 Plants erect, 1.5-9 dm high. 



Petals purplish or rose, about 20 mm long. 



Leaves with triangular lobes. (See excluded species no. 440, p. 1073) 



M. sylvestris. 



Leaves with rounded lobes 1. M. sylvestris var. mauretiana. 



Petals pinkish white, about 5 mm long; carpels 8-11 (usually 10), more or less 

 pubescent and rugose on the back; suture between carpels more or less 



crested 2. M. rotundi folia. 



Plants procumbent; petals about 10 mm long, pale blue; carpels 12-15, more or 

 less pubescent but smooth or faintly reticulate on the back; suture between 



carpels not raised, usually depressed 3. M. neglecta. 



Leaves deeply 5-7-lobed. 



Stem leaves 5-parted, the lobes 1- or 2-parted; carpels pubescent. .4. M. moschata. 



Stem leaves 5-parted, the lobes incised or toothed but not parted; carpels glabrous. 



(See excluded species no. 438, p. 1073) M. Alcea. 



1. Malva sylvestris L. var. mauretiana (L.) Boiss. (Rhodora 12: 

 140. 1910.) High Mallow. Map 1390. A rare garden escape. It is said 

 that this variety is the form of the species that has escaped in the eastern 

 United States and probably all of our reports should be referred to it. 

 All specimens seen belong to the variety. 



Nat. of Eurasia ; widely but sparingly escaped in e. N. A. 



2. Malva rotundifolia L. (Rhodora 39: 98-99. 1937.) (Malva 

 pusilla Smith.) (Bergman. Comments on Malva rotundifolia L. and its 

 allies. Minnesota Bot. Stud. 4: 437-441. 1916.) Roundleaf Mallow. 

 Map 1391. This species has the same habitat and is closely allied to the 



