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412
Spec. orig.: Purpus Nr. 5237.
Icon.: Fig. (nostra) 1 d; Fig. 2 b; Tab. (nostra) VI, fig. 4—5.
Planta robusta; caules repentes, subterranei, internodiis 1—2
mm crassis, circ. 5 em longis.
Petioli foliorum laminam subaequantes vel longiores, 2—10
cm, rarius usque ad 15 em longi, parce v. dense pilosi, in vaginam
lalam, usque ad 1,5 em longam dilatali; lamina crassa, subco-
riacea, ovalo-cordala, 1,5—2,0 X 2,0—3,5 em, apice rotundata, basi
late—lalissime cordato-sinuata, nervis 7—9 distinctis et nervo
marginalo dislinelissimo praedita; margine repanda; juvenilia longe
lerrugineo-pilosa, adulta glabra, inserlione pelioli excepta, vel ra-
rius subtus pilosa, supra glabrescentia vel parce pilosa.
Umbellularum radii petiolis subaequilongi vel breviores,
(1—)9—4, rarius usque ad 6 em longi, longe ferruginco-pilosi,
adulti saepissime glabrescentes, apice pilosi.
Folia involucralia 2—8, late elliplico-ovala, apicem versus
triangularia, 2,0X2,2 mm, apice emarginata, callosa, margine lale
albo-membranacea, glabra vel rarius longe pilosa, glabrescentia.
Petala alba, glabra.
Antherae ovales,0,65 X 0,55 mm,apice et basi paullo emarginatae.
Fructus glabri, magni, 4,5—95,0 X 3,1—3,5 X 1,4—1,6 mm, com-
missura cire. 0,7 mm lata, reniformes, apice plane truncati, basi
latissime cordato-sinuali, sinu ad !/;—!/: secante; discus circ. 2,5
mm, latus, planus, stylopodiis parvis, ellipsoideis praeditus. Meri-
carpia transverse secta ovato-triangularia, apicem versus acumi-
nata. Endocarpium transverse seclum anguste triangulare,
prope commissuram leviter constrictum et ad faciem commissu-
ralem dilatatum, dorsaliter in jugum validissimum longissimum
acuminatum. Facies mericarpiorum jugis 5 primariis valde pro-
minentibus, pene alatis, et inter eis vallecula jugis secundariis,
parallelis, prominentibus ornata, ceterum levissime reticulata.
Styli post anthesin circ. 0,5 mm longi, ad basin attingentes,
suberecti, divergentes, apice paullo recurvali.
Hab. in America boreali oceid., India occidentali et America
centrali: Maryland, sine loco (-/ 1872 Wm. M. Canby in Herb.
Ups). — Virginia, Portsmouth (-/s 1840 Rugel in Herb. Berol.)
— Georgia, Colquitt Co, Ochlocknee Breek (*3/s 1903 R. M. Har-
per Nr. 1942 in Herb. Berol). — Florida, St. John’s River near
Jacksonville (-/ A. H. Curtiss Nr. 988 in Herb. Berol, cotypus
varietatis. Coult. et R.). — Orange Co, Killaimey (-/6 1889 O.
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