Flora brasiliensis. Volumen XII. Pars III. 2

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MALVACEAE:

apice mutica vel brevissime mucronulata, dorso costa longitudinali instructa, caeterum laevia vel obsolete rugulosa. I. Petala lutea. Carpella laevia, apice brevissime mucronulata. A. Planta velutino-tomentosa. Carpella dorso glaberrima 16. P. SESSILIFLORA H.B.K. B. Planta hirta. Carpella dorso hirta 17. P. RIEDELJI Gürke. II. Petala rubra. Carpella dorso rugulosa, pubescentia, apice mutica. Planta plerumque tomentosa 18. P. SPECIOSA H.B.K.

Sect. III. EUPAVONIA. Flores in axillis foliorum solitarii vel, bracteis minutis non foliaceis suffulti, inflorescentias racemosas formantes. Involucri phylla 4—25, uniserialia. Calyx cupuliformis. Carpella laevia vel rugosa, apice mutica vel gibbis brevioribus munita. I. Involucrum 4-phyllum, phyllis late ovatis, basi cordatis 19. P. GARCKEANA Giirke. II. Involucrum 5-phyllum. A. Folia ovata vel oblongo-ovata, basi rotundata vel plus minus distincte cordata. a. Stipulae 4—6 mm. longae. Folia supra glabra vel glabriuscula. Calyx 8—11 mm. longus. a. Folia distincte grosseque serrata, basi cordata vel subcordata . 20. P. COMMUTATA Garcke. β. Folia margine revoluta, obsolete et remote serrata, subcordata, rarius basi obtusa vel rotundata 21. P. ENGLERIANA Giirke. b. Stipulae 10—25 mm. longae. Folia basi rotundata, interdum subcordata, distincte grosseque serrata, supra hirta vel pubescentia. Calyx 13 — 18 mm. longus. Petala involucro duplo longiora 22. P. SCHRANKII Spr. Praecedenti affluis, sed petala (ex NEES et MART.) involucro subaequilongia, mihi nou visa 23. P. LATIFOLIA Spr. B. Folia lanceolata, oblonga vel ovata, rarissime suborbicularia, basi sagittata. Petioli folio breviores. a. Folia supra pubescentia vel tomentosa, subtus tomentosa. a. Calyx pubescens, lobis 5-nervibus, nervis lateralibus loborum vicinorum non confluentibus. Involucrum pubescens, phyllis 3-nervibus, spathulato-lanceolatis, acutis, calyce brevioribus. Carpella distincte reticulato-costata 24. P. HASTATA Cav. ß. Calyx tomentosus, lobis 3-nervibus. Involucrum tomentosum, phyllis 5-nervibus. * Nervi laterales loborum vicinorum basi calycis confluentes. Involucri phylla cuneato-obovata, acuta, calyci subaequilonga. Carpella irregulariter rugosa et utraque latere gibbis 3 distinctis munita 25. P. URBANIANA Giirke. ** Nervi laterales calycis loborum vicinorum nou confluentes. Involucri phylla spathulatoobovata, obtusa, calyce breviora. Carpella laevia, obscure marmorata 26. P. SAGITTATA JUSS.

b. Folia supra puberula, subtus glabra, venis distincte reticulato-prominentibus. Calyx pubescens, lobis 3-nervibus, margine pilis longis mollibus ciliatis. Involucrum calyce longius vel aequilongum. Carpella distincte costata 27. P. RETICULATA Garcke. C. Folia suborbicularia, saepe latiora quam longa, rarissime ovata, basi cordata, utrinque hirta; petioli folio longiores vel subaequilongi. Calyx hirtus, lobis 3-nervibus. Involucrum calyce brevius. Carpella distincte costata 28. P. GLECHOMOIDES St. Hil. III. Involucrum 6—10 (rarissime —11)-phyllum. A. Folia lanceolata vel ovato-laneeolata, basi obtusa. Calyx involucro longior. Petala 40—50 mm. longa, calyce 4—6-plo longiora . . 29. P. ANGUSTIFOLIA Benth. Malvac.

PAVONIA.

478

B. Folia ovata vel late ovata, basi plus minus cordata. Calyx involucro brevior. Petala 10—25 mm. longa, calyce 1½—2½-plo longiora. a. Stipulae lanceolatae. Carpella mutica, dorso haud carinata. Calycis lobi 3-nerves, nervis lateralibus proxime ad margines loborum decurrentibus. Petala lutea 30. P. PANICULATA Cav. b. Stipulae subulato-filiformes. Carpella dorso carina intermedia longitudinali plus minus distincte obsita. Calycis lobi 5-nerves, nervis lateralibus interdum obsoletis. a. Petala lutea. * Carpella glaberrima, dorso ad margines versus tantum reticulato-rugosa, medio fere laevia, apice mucrone distincto acuto, a latere compresso munita, angulo interiore apice paullo elongato, quasi mucronem alterum formante 31. P. GEMINIFLORA Moric. ** Carpella ad apicem versus hirta obsolete reticulato-rugosa, plerumque noduloso-tuberculata. † Involucri phylla 9—11, subulato-filiformia, subteretia, enervia. Carpella apice mutica, matura facillime in valvas duas discedentia 32. P. BALANSAE Giirke. †† Involucri phylla 7—9, lanceolata vel linearia, plana, 3—5-nervia. Carpella apice gibbo humili obtuso, a latere compresso munita. § Involucri phylla lanceolata, rarius lineari-lanceolata. ┴ Planta hirsuta 33. P. ARGENTINA Giirke. ┴┴ Planta velutino-tomentosa 34. P. SIDIFOLIA H.B.K. §§ Involucri phylla linearia 35. P. HIERONYMI Giirke. ß. Petala rubra. Involucri phylla 7—9, linearia, rarius lanceolata. Carpella mutica, dorso reticulato-rugosa, pubesceutia vel hirta, marginibus noduloso - tuberculata 36. P. KUNTHII Giirke. IV. Involucrum 10—13-phyllum. A. Tubus stamineus 1,5—2 mm. longus, petalis 8—10plo brevior. Calyx 4—5 mm. longus, involucro 3-plo brevior 37. P. ROSA CAMPESTRIS A. Juss. B. Tubus stamineus 25—40 mm. longus, petalis subaequilongus. Calyx 12—17 mm. longus. a. Involucrum calyci subaequilongum 38. P. GRANDIFLORA A. JUSS. b. Involucrum calyce duplo longius 39. P. sPINI STIPULA Giirke. V. Involucrum 14 — 18-phyllum. A. Caules prostrati, humifusi. a. Planta pubescens vel hirsuta. Petala 20—25 mm. longa. Tubus stamineus 10 mm. longus 40. P. CANCELLATA Cav. b. Planta velutino-tomentosa. Petala 30—40 mm. longa. Tubus stamineus 20—25 mm. longus 41. P. HUMIFUSA A. JUSS. B. Caules erecti. a. Folia triangulari-subhastata 42. P. SUBHASTATA Tr. et Planch. b. Folia late ovata vel suborbicularia, basi cordata. a. Planta dense flavescenti-tomentosa. Involucrum 25—30 mm. lougum. Calyx 17—18 mm. longum 43. P. POHLII Giirke. ß. Planta canescenti-velutina. Iuvolucrum 22 ad 25 mm. longum. Calyx 12—15 mm. longus 44. P. ASCHERSONIANA Giirke. y. Planta viscoso-pubescens. Involucrum 15—17 mm. longum. Calyx 14—15 mm. longus 45. P. VISCOSA A. Juss. VI. Iuvolucrum 18—25-phyllum. A. Folia cordato-ovata vel suborbicularia. Stipulae 10mm. longae, Tubus stamineus 25 mm. longus, petalis subaequilongus. Carpella exalata 46. P. MALACOPHYLLA Garcke.

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