Notes on the acanthaceae of Java - DWC

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44 NOTES ON THE ACANTHACEAE OF JAVA it was afterwards united by MOORE. It diHers. however. conspicuously from that genus in the structure of the inflorescenee. the pollen grains and the ,testa. In ENGL. u. PRANTL. Nat. Pflanzenfam. IV 3 b. p. 344. 1895. LINDAU transferred two more species to this new genus. namely ]usticia dichotoma BI. (syn.: Raphidospora dichotoma Nees) and Dianthera term inalis Fawcet. S. MOORE (in Joum. of Bot. LX. p. 355. 1922) was certainly not ignorant of LINDAU's remarks on the taxonomie position of these species when he referred ,them' to the section Euryantheae of the amplified genus Ptyssiglottis. but he was apparently not sufficiently acquainted with the structural peculiarities of the pollengrains to appreciate their taxonomie value. The section Euryantheae comprised. apar,t from the type species of the genus. Pt. radicosa (Nees) T. And .• the three species which LINDAU had referred to Strophacanthus. further Leda subcordata Clarke and a presumably new species. which he called Pt. Zollingeri. In basing the latter on ZOLLINGER n. 2210. he apparently overlooked that NEEs had founded his Rhaphidospora ten elia on a specimen of ZOLLINGER bearing the same number and evidently identical with the specimen in the herbarium of the British Museum on which he himself based his new species. No example of this plant was available to me. but HOCHREUTINER (in Candollea V. p. 242. 1935) aker a re-examination of the type came to the conclusion that it must be regarded as a variety of Strophacanthus dichotomus (BI.) Lindau (syn.: Raphidospora dichotoma Nees). differing from the type of the latter in a somewhat greater length of the .ïnflorescence and in the absence of the glandular pubescence on the rachis and branchlets of the inflorescenee and on the calyx. As the reduction of the genus Strophacanthus to Ptyssiglottis is in no way justified. the genus is to be restored. The following species belong to it: *collinus (T. And.) Lindau in Engl.. Bot. Jahrb. XVIII. p. 58. 1893 et in EngI. u. Prantl. Nat. Pflanzenfam. IV 3 b. p. 334. 1895 (syn.: ]usticia collina T. And. in Journ. Linn. Soc. IX. p. 515. 1867; Dianthera collina (T. And.) Cl arke in Hook.f .• Fl. Brit. Ind. IV. p. 543. 1885) membranifolius (Miq.) Brem. n. combo (syn.: Rhaphidospora membrani [olia Miq .• FI. Ind. Bat. II. p. 850. 1857; - ]usticia dichotoma BI.. Bijdr. FI. Ned. Ind .• p. 783. 1826. nom. illeg. nam non RottI. in Nov. Act. Acad. Nat. Cur. IV. p. 221. 1803 quae est Rhinacanthus nasutus (L.) Lindau; Peristrophe dichotoma (BI.) Hassk. (comb. illeg.). Cat. Hort. Bog. ed. 2. p. 152. 1844 et in Tijdschr. Nat. Gesch. V. p. 129; Leptostachya dichotoma (BI.) Nees (comb. illeg.) in DC .• Prodr. XI. p. 379. 1847; Rhaphidospora dichotoma (BI.) Nees (comb. illeg.) op. cito p. 500. specimine filippino excl. quod. ad Rh. luzonensem (Clarke) Brem. ,no combo (Justicia Clarke) pertinet; Dianthera dichotoma (BI.) Clarke (comb. illeg.) in Hook.f.. FI. Brit. Ind. IV. p. 543. 1885; Strophacanthus dichotomus
NOTES ON THE ACANTHACEAE OF JAVA 45 (BI.) Lindau (
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