121 



TURISTERACEAE : TURNERA. 



122 



Frutex 1 — 2,5 m. altus; rami elongati debiles parci aliis arboribns 

 accnmbentes, ramuli vetustiores glabrescentes v. glabri, brnnnei, nunc 

 griseo-maculati , tenuiter striati, hornotini pilis brevissimis pallide flavis, 

 crispulis v. snrsnm curvatis dense pilosinsculi v. pulverulenti, gemmis 

 serialibus obviis, nonnullis postremo elongatis et floriferis. Stipulae mi- 

 nimae, saepius deciduae, lanceolatae v. lineari-subulatae, 0,2 — 0,5 mm. 

 longae. Folia 4 — 10 mm. longe petiolata, magnitudine in eodem specimine 

 valde variabilia, generationis prions 2 — 4 cm. lata, margine piano basi 

 excepta serrata v. crenata, dentibus saepe subinaequalibns v. duplicatis, 

 nervis snpra prominulis, subtus prominentibus , suprema et generationis 

 posterioris (ramorum serialium) 2 — 4 cm. longa, 1 — 2 cm. lata. Pedun- 

 culi snperne dilatati ; prophylla acuminata , extrinsecus v. ntrinque pilo- 

 sula, ramosinervia , fructum obtegentia saepius ampliata, margine integra 

 v. plerumque denticulata, basi non connata, utriuque appendicibus plane 

 liberis plerumque solitariis, raro 2 — 3, linearibus v. lineari-subulatis 1 ad 

 5 mm. longis stipulata. Calyx extrinsecus breviter et adpresse hirtellus, 

 tubo subcylindrico intus superne piloso, lobis lanceolato-linearibus , 3-, v. 

 sub-5-nervibus , nervo medio supra apicem 1 — 1,5 mm. longe setaceo-pro- 

 ducto, lateralibus in lobis interioribus membranaceis obsoletioribus. Pe- 

 tala calycem vix v. parte 5 — 6-ta superantia, ,,aurantiaca", obovato- 

 cuneata, 13 — 14 mm. longa, 7 mm. lata, intus supra basin pubescentia. 

 Filamexta supra basin extrinsecus longitrorsum glanduloso-incrassata, lon- 

 giora 9 — 10 mm., breviora 6 — 7 mm. longa; antherae juniores lanceolato- 

 lineares, a basi sensim angustatae, obtusiusculae v. obsolete apiculatae, 

 3,5 — 4,5 mm. longae, 0,7 — 0,9 mm. latae, dorso in V* — x / 5 a l*- * u concavi- 

 tate ampla affixae, basi cr. in 2 /io alt. emarginatae. Stylt basi remotius- 

 culi, in parte V* — 2 /3 inferiore pilis erectis v. erecto-patulis hirsuti, apice 

 1 mm. longe flagellato-multifidi, longiores 9 — 11 mm. longi, antheras 2,5 

 ad 3 mm. longe superantes, breviores 5 — 5,5 mm. longi, a basi antherarum 

 vix 2 mm. distantes. Ovarium subcylindricum , basi paullo amplius, bre- 

 vissime v. obsolete birtellum, 22 — 38-ovulatum. Fructus globulosi, inter- 

 dum obsolete et obtuse apiculati, 4 — 6 mm. diametro; valvae dorso bre- 

 viter hirtellae, intus flavescentes, ferrugineo-punctatae , glabrae. Skmixa 

 obovata v. obovato-oblonga, parum v. manifeste curvata, iuferue valde at- 

 tenuate, 2,5 — 3,5 mm. longa, 1,3 — 1,8 mm. crassa, hilo non prominente, 

 cbalaza paullo protracta concava, arillo laterali amplo fere seminis longi- 

 tudine flavescente. 



Habitat in Brasiliae prov. Para in silvis m. Majofruct, : Martins, 

 Wallis ; prope Para: Martius ; in prov. do Alto Amazonas in silvis ad 

 Coari m. Nov. jior.: Martius; prope Caburi m. Jun. jior. : Trail n. 347; 

 prope Igarape de Marapatd ad ostium Rio Negro m. Dec. Jior. : Trail 

 n. 354; ad Gupo: Spruce n. 1405 ; prope S. Carlos ad Rio Negro: Spruce 

 n. 3004 (Herb. Mart.); prope Mandos m. Dec. — Mart.: Spruce n. 1074; 

 in Venezuela prope May pur es in humid is ad Orinoco m. Junio jior. et 

 fruct. : Humboldt et Bonpland n. 882, Spruce n. 3004 (Herb. Francav.). 



9. TURNERA AURANTIACA Benth., petiolis superne 

 v. sub lamina ipsa glandulas majusculas 1 + 1, raro 2 -f- 2 

 gerentibus; foliis ovatis usque ovato-oblongis , acutis v. acu- 

 minatis, basi rotundatis v. cuneatim in petiolum protractis, 

 8—13 cm. longis, 2 — 3-plo longioribus quam latioribus, supra 

 glabrescentibus, subtus praesertim ad nervos breviter strigoso- 

 pilosis, margine eglandulosis ; floribus dimorphis; pedunculis 

 15—25 mm. longis ; prophyllis linearibus usque ellipticis 8 ad 

 17 mm. longis, 1 — 6 mm. latis ; calyce 18 — 32 mm. longo, 

 in l l% alt. coalito; filamentis tubo 2 — 3 mm. longe adnatis, 

 usque ad v. supra medium puberulis. 



Turnera aurantiaca Benth.! in HooJc. Journ. of Bot. 

 IV. 116; Walp. Repert. II. 229; Urb. Mon. Turn. 97. 



Turnera subglabra Klotzsch! Msc. in Rich. Schomh. Faun, 

 u. Flor. Brit. Guian. 984. 



Rami vetustiores glabri v. glabrescentes, epidermide nitida brunneo- 

 cinerascente obtecti, manifeste subirregulariter striati, teretes, hornotini 

 pilis curvato-erectis v. adpressis brevissimis flavesceutibns, saltern ad api- 

 cem, laxe v. dense adspersi, subaugulati, gemmis serialibus inter ramuloa 



Turner. 



floresque ac ramos manifestis, nunc evolutis et floriferis. Stipulae mi- 

 nutae 0,7 — 1 mm. longae, anguste subulatae. Folia 5—10 mm. longe 

 petiolata, 3,5—5 cm. lata, margine basi excepta subregulariter v. duplicato- 

 crenata, nervis supra obsolete, subtus magis prominentibus, in ramulis 

 serialibus dnplo et ultra breviora. Pedunculi compressi, superne paullatim 

 dilatati; prophylla basi appendicibus minimis, solitariis setaceis v. longio- 

 ribus profunde v. fere usque ad basin in lacinias 3—4 subulatas fissis 

 stipulata, acuminata, integra v. papillis nonnullis flavis serrulata v. parce 

 et remote denticellata, raro inferne ad marginem glandulis 2 v. 4 instructs. 

 Calyx extrinsecus dense et breviter strigoso-pilosus , tubo subcylindrico 

 intus superne densiuscule puberulo, lobis anguste lanceolatis v. lanceolato- 

 linearibus, 3- v. 5-nervibus, nervo medio supra apicem v. in interioribus 

 e dorso 0,8 — 1,4 mm. longe mucronato-producto. Petala calycem paullo 

 v. usque parte 4-ta superantia, aurantiaca, obovato-cuneata, apiculata, 15 

 ad 22 mm. longa, 12 — 15 mm. lata, glabra. Filamexta supra basin extrin- 

 secus iucrassata, e basi latiore angustata, superne filiformia, longiora 1G 

 ad 18 mm., breviora 11 — 12 mm. longa; antherae juniores oblongo-linea- 

 res v. lineari-subulatae, 4 — 5 mm. longae, 1 — 1,3 mm. latae, obsolete api- 

 culatae, basi non v. vix (usque ad 10-mam partem) emarginatae, dorso in 

 concavitate ampla affixae, defloratae rectae. Styli basi remotiusculi glabri 

 v. inferne parce hirsuti, breviores 8—9 mm. longi, a basi antherarum 3 ad 

 5 mm. distantes, apice flavo cr. 1,5 mm. longe lobulato-flagellato. Ova- 

 rium ovato-trigonum, truncatum, pilis brevibus v. brevissimis sericeo-pube- 

 rulum v. inferne subglabrum, 50— 75-ovulatum. Fructus globulosus v. 

 ovato-globulosns, 7—8 mm. diametro; valvae dorso brunneae, pilis erectis 

 brevibus obsitae v. subglabrae, intus ferrugineae glabrae. Semixa obovata, 

 inferne valde attenuata et parum curvata, 2,5 — 3 mm. longa, 1,5— 1,8 mm. 

 lata, brunnea, hilo breviter prominente semigloboso, chalaza paullo pro- 

 tracta concaviuscula, arillo semen dimidium cingente et fere usque ad 

 apicem ascendente. 



Habitat in Guiana Anglica in planitiebus arenosis ad Esscquibo et 

 Rupunony ; Rob. Schomburgk n. 291, Rich. Schomburgk n. 306 et 1267, 

 Pollard n. 16; ad Essequibo: Appun n. 330, Jenman n. 9S8, 1087 ; ad 

 Mazaruni: Jenman n. 785. — Flor. April., Sept.— Oct. 



10. TURNERA VELUTINA Benth, petiolis sub apice 

 glandulas 1-fl, raro 2 -f- 2 gerentibus; foliis ovatis, apice 

 obtusis, raro acutatis, basi leviter cordatis, 4—6 cm. longis, 

 2-plo longioribus quam latioribus, adultis supra brevissime et 

 dense pilosis, subtus griseo-tomentosis, margine subtus ad in- 

 cisuras obsolete glanduliferis ; floribus dimorphis; pedunculis 

 8—12 mm. longis; prophyllis lanceolato- v. lineari-subulatis, 

 3—5 mm. longis, 0,6—1,2 mm. latis; calyce 20 mm. longo, 

 in Vs alt. coalito; filamentis tubo vix 1 mm. longe adnatis, 

 in Vs alt. pilosulis. 



Turnera velutina Benth. ! in Hook. Journ. of Bot. IV. 

 116; Walp. Repert. II. 229; Urb. Mon. Turn. 98 — non 

 Brest. 



Turnera Benthamiana Rich. Schomh.! Faun. u. Flor. 

 Brit. Guian. 1166. 



Kami vetustiores glabrescentes, caesio-brunnescentes, teretes, sub- 

 irregulariter plicato-striati, hornotini pilis brevissimis patentibus flavidis 

 dense vcstiti v. ad apicem tomentosi , gemmis serialibus sub anthesi con- 

 spicuis, posterius verisimiliter evolutis. Stipulae subulato-setaceae, 1 ad 

 2 mm. longae, integrae. Folia 4—7 mm. longe petiolata, 2—3 cm. lata, 

 margine toto erenato-dentata v. subduplicato-crenata, nervis supra parum 

 impressis, subtus prominentibus, junioia subtus albido-, ad nervos flaves- 

 centi-tomentosa, supra velutina. Pedunculi compressiusculi , superne di- 

 latati; propbylla basi tubi calycini adnata, margine papillis parcis linea- 

 ribus parum manifestis serrulata, ad basin dilatatam et interdum parum 

 connatam appendicibus 2—4 stipuliformibus anguste lineari-subulatis v. 

 setaceis usque ad 2,5 mm. longis aucta. Calyx extrinsecus velutino- 

 tomentosus, tubo cylindraceo-campanulato intus superne pubescente, lobis 

 lanceolatis, breviter mucrouatis v. nervo medio infra apicem in dorso ex- 

 currente cr. 0,5 mm. longe corniculatis, 3-nervibus, nervis lateralibus in 



17 



