114 Anton Heimerl, 



3. Bougainvillea peruviana HB. 



H. B.! Plantes Equinox. I, 174, Tab. 49; Nova Genera II, 219; Choisy! 437.1 



Syn. Tricyda peruviana Poiret, Encycl. Suppl. V, 359. 



Arbuscula elegan.s, ad 4 — 5 m alta. valde ramosa et valde spinosa, ramis partim elongatis, patenter 

 ramificatis, partim abbreviatis saepeque ad verrucas flores foliaqiie gerentes reductis, florendi tempore 

 l'üliala, uberrime florens (sec. dar. HB), ad anthesin ob flores numerusissimos, pulcherrime bracteatos 

 aspectum magnificum praebens. 



Rami d= flexuosi, verrucis frequentibus nodulosi, valde elongati, subvirgati, d= tenue.s, intcrnodiis 

 2 — 4cm]g., peridermio brunneo- ad griseorufescente, tenue rugulosi, in regione Oorali parce et brevissime 

 puberuli, rarius glabrati, ceterum angulis solum puberulis exceptis glabriusculi, spinis simplicibus, usque 

 25 ;;/;;/ lg., firmis, sed gracilibus, f. horizontale patentibus, a latere non compressis, rectis v. (sec. HB) 

 in ramis \'etustis levissime arcuatis, acutis ad acutissimis armati, ramulis abbreviatis ad verrucas griseo- 

 V. rufescenti-tomentellas (c. 2 mm lg.) reductis frequenter obsiti, inflorescentiis inferne e verrucis, sub spina 

 positis, superne laterale orientibus, inflorescentiam communem valde spectabilem, paniculatam, elongatam, 

 inferne foliatam, superne parvifoliatam formantibus, ramis primariis inflorescentiae communis deinde 

 rigide persistentibus, brevibus, gracilibus, glabriusculis v. paulum hirtulis, oblique ad subhorizontale 

 patentibus v. subdeflexis, rarius simplicibus, saepius semel, raro bis dichasiale partitis, bracteolis nullis, 

 inflorescentias partiales eleganter gerentibus. 



Folia latissime ovata ad suborbiculata, saepe sub dimidio latissima (55 — 70 ;;n;/ : 60 — 65;;/»»), non 

 raro transverse latiora, basi subtruncata cito in petiolum lamina 2 — 3plo breviorem, demum glabrum con- 

 tracta, rarius (in foliis superioribus) in basi magis et late cuneatim angustata, antice obtusata v. brevissime 

 acuminata ceterumque obtusiuscula, consistentia paulo firmiore, tenue coriacea, (laete?) viridia, concoloria, 

 primum parce breveque hirtula, mox pilis paucis in nervis exceptis glabra ad glaberrima, integra, nervis 

 infra paulum prominentibus, marginem versus distincte reticulatim coniunctis. Folia in sectione transversa 

 crystallis minoribus, prismaticis, transverse positis hinc inde instructa. 



Inflorescentiae partiales triflorae, pcdunculis gracilibus florendi tempore 7 — 10 ;;/;;/, demum 

 usque 18 ;;/;;; lg., subglabris sulTultae. 



Bracteae (sec. HB) pulcherrime rosaceae (16 — 22«/;;; : 10 — 14;;;;;;), post anthesin paulum auctae, 

 ad anthesin floribus breviores, limbo evidenter superatae, ellipticae ad leviter obovatae, basi v. late cuneatim 

 angustatae v. a dimidio in pedicellum distincte attenuatae, antice obtusatae ad obtusissimae, f. glabrae, in 

 ner\-o mediano solum parcissimc hirlulae, lenuissime et pallide nervatae, submembranaceae; florum pedi- 

 celli ad 3 — 7 ;;;;;; cum bractea connati, glabri. 



Perianthia 16 — 20 min lg., rosea (sec. HB), gracillima, tubo valde angusto, cylindrico (c. 1"5;;;)/; 

 lt.), supra dimidium vix visibile angustato, superne autem paulum latiore (ad 2 ;;;;;;), in basi breve in pedi- 

 cellum contracto, glaberrimo, nervis 5 tenuibus, in limbi Inbos cxcurrentibus, vix prominentibus, limbo 

 5—0 ;;;;;; lt. (partim luteo sec. HB), minore, paulum firmiore, lobis breviter o\-ato-triangularibus, acutius- 

 culis (c. 1 mm lg., 1 mm lt.) cum lobis commissuralibus bre\-ioribus, subtruncatis, bifidis glabriusculis, 

 margine solum tenuissime puberulis. 



Stamina 6—8, plerumque 6, cupula 1 -5 mm lg., filamentis longioribus 13 — 14-5;;;;;; lg., brevioribus 

 11 — 12 ;;;;;; lg., antheris flavis (sec. HB) 1 ;;;;;; lg., c. Y4 '""'' 't. 



Germen (cum stipite angusto 8'5 — I0min\g.) ovario oblongo-ellipsoideo (4 — 5 mm lg., 1 mm lt.), 

 basi stipitiforme angustato, apice rotundo, stylo (4 — 5 ;;/;;; lg.) ad ^/g stigmatifero. 



Anthocarpia (solum vacuavidi!) anguste tubulosa (10;;;;;; lg., 2-5;;;;;; lt.), perianthio supero arctis- 

 sime contorto diu coronata, viridescentia, tenue coriacea, glaberrima, basin sessilem versus paululum 

 latiora, 5 ner\^ata, nervis paulum prominentibus. Fructus omnino ine\'oluti. 



1 Die vuii Iliicikcr in der Erläuterung zur Tab. 4810 des Bolan. Magaz. (1854) erwähnte und mit den beiden vorangehenden 

 .'Vrtcn identillcicrte -B. ycniviaiiü" gehurt wahrscheinlich r.ieht hicher. 



