2 o ACANTHACEAE— BIGNONIACEAE 



Verbascum — Mullein 



i I.at. verbascum, mullein) 



1. Leaves woolly, white to gray , 



a. Leaves densely woolly, decurrent on the stem ' . thdpsus 



b. Leaves thinly woolly, not decurrent • V. lycknitis 



2. Leaves smooth, green / - blattdria 



Acanthaceae — Acanthus Family 

 Herbs with opposite simple leaves; sepals 5, united, petals ?, united, stamens 4 or 2, ovary 2- 

 . stigmas 1 or 2. fruit a capsule; flower syncarpous, sympetalous, hypogynous, usually irregular. 



1. Leaves pinnatifid; corolla of one 3-lobed lip Acanthus 



2. Leaves arrow shapi 1; corolla 5-lobed, nearly regular Thunbergia 



Acanthus — Acanthus 



akantha, prickle, from the prickly leaves) 



1. Leaves spiny, deeply cut A. spindsus 



2. Leaves nearly or quite smooth, lobed A. mollis 



Thunbergia — Thunbergia 



More or less climbing; flowers varicolored T. aid/a 



Gesneraceae — Gesnera Family 



Herbs with simple leaves; sepals 5, united, petals 5, united, ovary 1-eelled with 2 parietal 

 placentae, stigma entire or 2-lobed, fruit a capsule; flower syncarpous, sympetalous, hypogynous, 

 regular or irregular. 



1. Stems leafless 



a. Stamens 4 Sinningia 



b. Stamens, at least the anther-bearing, 2 Streptocarpus 



2. Stems leafy Achimenes 



Sinningia — Gloxinia 



i Named for the botanist, Sinning) 

 Leaves spatulate to rounded; flowers varicolored S. spcciosa 



Streptocarpus — Streptocarpus 



(Gr. streptos, twisted, karpos, fruit, from the twisted pods) 



1. Leaf single, basal; flowers several on each scape . S. polydntha 



2. Leaves several to many ; flowers usually single S. Retzii 



Achimenes — Achimenes 



(Or. acheimenes, not disturbed by winter, i. e., blooming late) 



1. flowers violet blue A. longifldra 



2. Flowers reddish A. grandi flora 



Bignoniaceae — Catalpa Family 



Herbs, or woody plants with simple or compound leaves, sepals united, petals 5, united mostly 

 -' lipped corolla, stamens 4 or 2, ovary 1-4-celled, stigma 2-lobed; fruit a capsule or silique ; 

 syncarpous, sympetalous, hypogynous, irregular. 



1. Leaves pinnate; flowers on a scape, rose Incarvillea 



2. Leases simple; flowers on the leafy stem, whitish Martynia 



Incarvillea — Incarvillea 



(Named for [ncarville, a French missionary) 



1. Leaflets entire or toothed 



a. Leaflets toothed or nearly so /. dlgae 



b. Leaflets toothed throughout /. Delavdyi 



2. Leaflets cleft /. variabilis 



Martynia — Unicorn Plant 



(Named for the English botanist, Martyn) 

 Leaves heart-shaped, entire, hairy; flowers whitish to lilac or yellowish M. proboscidca 



