Home Flora of Missouri
There will be an outage between 5:00 PM to 7:00 PM Central Time Wednesday, April 16 for server maintenance. Sorry for the inconvenience.
Home
Name Search
Families
Volumes
!!Aristolochiaceae Juss. Search in IPNISearch in NYBG Virtual Herbarium Decrease font Increase font Restore font
 

Published In: Genera Plantarum 72–73. 1789. (4 Aug 1789) (Gen. Pl.) Name publication detailView in BotanicusView in Biodiversity Heritage Library
 

Project Name Data (Last Modified On 7/9/2009)
Acceptance : Accepted
Project Data     (Last Modified On 8/3/2009)

 

Export To PDF Export To Word

ARISTOLOCHIACEAE (Birthwort Family)

Plants perennial herbs or lianas (shrubs elsewhere). Leaves alternate, simple, with petioles. Flowers perfect, epigynous. Calyx usually petal-like (not green), often united into a straight or contorted tube toward the base, expanded into 3 shallow or deep lobes at the tip. Corolla absent (reduced to small scales elsewhere). Stamens (5)6 or 12. Pistils 1 per flower. Ovary inferior, 3–6-locular, the ovules numerous. Style 1, the stigmas 3–6. Fruits capsules with numerous seeds. Five genera, about 600 species, nearly worldwide but most diverse in tropical and subtropical regions.

 

Export To PDF Export To Word Export To SDD
Switch to indented key format
1 1. Plants with well-developed herbaceous or woody aerial stems; flowers zygomorphic, the calyx tube well developed, hooked or S-shaped ... 1. ARISTOLOCHIA

Aristolochia
2 1. Plants without evident aerial stems, the leaves and flowers arising from widely creeping rhizomes; flowers actinomorphic, the calyx tube absent or very short and straight (note that the overlapping bases of the lobes often appear like a short, straight tube) ... 2. ASARUM Asarum
 
 
 
© 2014 Missouri Botanical Garden - 4344 Shaw Boulevard - Saint Louis, Missouri 63110