on this page: Engler's description of Zamioculcas - Acknowledgement

Zamioculcas zamiifolia (LODD.) ENGL.
Description by A. E
NGLER (1908)
from: Das Pflanzenreich. IV. 23 B. (Heft 37 Araceae-Pothoideae). pp. 304-306


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Description of
Zamioculcas


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Engler's description of Zamioculcas :
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A. Engler (1908), Das Pflanzenreich. IV. 23 B. (Heft 37 Araceae-Pothoideae). p. 304-306


Tribus V. Zamioculcaseae Engl.

      Zamioculcaseae Engl. in Nova Acta Acad. nat. cur. XXXIX. n. 3. (1876) 140, in DC. Mon. Phan. II. (1879) 63 et in Engl. u. Prantl, Pflzfam. II. 3. (1887) 116. – Problematicae Schott, Syn. Ar. (1856) 70, Prodr. (1860) 214. – Vide supra p. 20.

7.  Zamioculcas Schott.

      Zamioculcas [Nomen compositum ex Zamia et Culcas, voce vernacula ex India in Aegyptum transgressa.] Schott, Syn. Ar. (1856) 71, Prodr. (1860) 214, Decne. in Bull. Soc. bot. France XVII. (1870) 320 pr. p.; Engl. in Nova Acta l. c. p. 201 t. 6, fig.24, in DC. Mon. Phan. II. (1879) 207, in Engler's Bot. Jahrb. I. (1881) 189 – 190 et in Engl. u. Prantl, Pflzfam. II. 3. (1887) 117, Fig. 75; N. E. Brown in Th. Dyer, Fl. trop. Afr. VIII, (1901) 195. – Caladium Lodd. Bot. Cab. (1828) t. 1408.

      Flores morphologice hermaphroditi, sed abortu physiologice unisexuales, perigoniati. Flores masculi: Perigonium 4-tepalum, tepalis cuneatis vel spathulatis, concavis, apice incrassatis depressis; stamina 4; filamenta brevia, dilatata, subclavata, compressa, antherae connectivum superantes, thecis ovato-ellipticis rima longitudinali introrsum dehiscentibus, pollen in farciminulis emittentibus; ovarium breve, oblongum, stigmate sessili coronatum, perigonio superatum, ovulis in loculis fere tota longitudine placentae adnatis vel abortivis. Flores steriles: Tepala pistillodium claviforme includentia. Flores feminei: Tepala vertice magis incrassata, subfornicata; stamina imperfecta; ovarium ovoideum, in stilum brevem attenuatum, 2-loculare, loculis uniovulatis; ovula subamphitropa funiculo brevi placentae centrali basi affixa. Stigma capitatum. – Herba rhizomate horizontali crassissimo, turiones nonnullas cataphyllis 2–4 et folio unico praeditas proferente. (Vide notam.) Folium magnum ad basin petioli vagina fere a basi libera biauriculata instructum; petiolus teres, basi incrassatus, infra laminam demum nodoso-geniculatus, lamina crassa pinnata, pinnis juvenculis imbricatim sese obtegentibus, demum deciduis atque in tubera excrescentibus (Fig. 85 H). (Conf. Lynch in Gard. Chron. XIV. (1880) 375, Engl. in Engler’s Bot. Jahrb. I. 189.) Pedunculus brevis vix spadicem aequans. Spatha extus viridis, intus albida; tubus inflorescentiam femineam involvens, quam lamina cymbiformis, dorso infra apicem cornuta, horizontaliter patens duplo brevior. Spadix cylindricus medio constrictus, densiflorus, inferne flores femineos, superne flores masculos, media parte constricta flores steriles, omnes contiguos, gerens.

      Species solitaria, insulas Sansibar et Bourbon atque Africae orientalis partem inhabitans.

       Nota. Turiones post cataphylla 2–3 folium unicum, deinde iterum cataphylla 1–3 et inflorescentiam vel inflorescentias duas ex hac formula proferunt:

3–5 N, L, N , S
|
N, S

Sic in specimine jam 20 annos in horto Berolinensi culto. Attamen in specimine a cl. Hildebrandt ex insula Sansibar introducto vidi post folium cataphylla plura et spatham ex formula:

3–5 N, L, N, N..N (n–1) Nn, S
|
3–5 N, L, N, N .. N, S
Confer quoque p. 8 Fig. 7. 

      Z. zamiifolia (Lodd.) Engl. [Nomen lege prioritatis mutavi.]Caladium zamiaefolium Lodd. Bot. Cab. (1828) t. 1408. – Z. Loddigesii Schott l. c.; Decne. l. c.; Hook. in Bot. Magaz. t. 5985; Engl. l. c.; N. E. Brown l. c. – Rhizoma usque 5 cm crassum, turiones abbreviatos, basi 2–2,5 cm crassos producens. Folii (stirpis valde robustae) petiolus cum costa 4–6 dm longus, e basi 2–3 cm crassa sursum attenuatus, ad geniculum usque circ. 2 dm metiens, viridis, infra et supra geniculum maculis transversis obscure viridibus ornatus, lamina imparipinnata, foliolis 6–8-jugis alternis, elliptico- vel obovato-lanceolatis acutis, brevissime petiolulatis vel sessilibus, 8–15 cm longis, circ. 3–5 cm latis, juvenculis margine irregulariter nigro-punctatis, nervis lateralibus patentibus, laxe reticulatis. Pedunculus brevis 3,5 cm longus, 0,75 cm crassus, viridis. Spathae tubus subglobosus, 2 cm longus, lamina cymbiformis, patens 5 cm longa, 4 cm lata, dorso infra apicem appendicula fere 1 cm longa instructa. Spadicis 5 cm longi, 1,5 cm crassi, ex toto albidi inflorescentia [mascula] et [feminea] aequilonga.

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Fig. 85. Zamioculcas zamiifolia (Lodd.) Engl. A Planta tota, 1/3 magn. nat. B Spadix C Flos masc. longitudinaliter sectus. D Flos omnino sterilis, longitudinaliter sectus. E Stamen. a a dorso visum, b antice visum. F Flos femineus longitudinaliter sectus. G Pistillum. H Foliolum dejectum in tuber excrescens, turionem producens. – Icon. ex Engl. et Prantl, Pflzfam. reproduct.

      Ostafrika und Sansibar (Boivin, Kirk, Hildebrandt). Sansibarküstengebiet: Rabai Hills bei Mombas (Taylor ex N.E. Brown). West-Usambara: in der Gebirgssteinsteppe am Nordabhange des Gebirges unterhalb Mbalu zwischen Steinen mit succulenten Euphorbien und Dorstenien (A. Engler – nicht blühend im Oktober 1902). Mascarenen: Insel Bourbon (Houllet – Kais. Herb. in Wien). Ob wild?

8.  Gonatopus Hook. f.

      Gonatopus Hook. f. (...) read Engler's description of Gonatopus from: Das Pflanzenreich. IV. 23 B. (Heft 37 Araceae-Pothoideae). pp. 306-308












Read Engler's description of Gonatopus


Engler's description of Gonatopus from: Das Pflanzenreich. IV. 23 B. (Heft 37 Araceae-Pothoideae). pp. 306-308

Acknowledgement

This copy of A. Engler's original article was kindly provided by
Dr. Stephan Schneckenburger, Botanic Garden of the TU Darmstadt, Germany.
HTML version and image editing by Norbert Anderwald.
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June 19, 2002
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