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The Prosoeca peringueyi (Diptera: Nemestrinidae) pollination guild in southern Africa: long-tongued flies and their tubular flowers


Abstract | Materials and Methods | Results | Discussion | Literature

Table 3

Floral characteristics of species with the Lapeirousia silenoides-type flower. The floral tube is closed in the lower 10-12 mm in B. curviscapa, 20-30 mm in B. dregei, and 15-20 mm in B. framesii, hence floral tube length does not reflect the distance that an insect must extend its mouthparts to reach the nectar.
Z= zygomorphic; A= actinomorphic.

Family/species Symmetry Scent Tube length (mm) Flowering time
Geraniaceae
Pelargonium cortusifolium Z 0 ca. 30 Mar.-Nov.
P. crassicaule Z 0 15-25 (Mar.-)Aug.-Sept.(-Oct.)
P. echinatum Z 0 25-55 (July-)Aug.-Oct.
P. incrassatum Z 0 30-40 Aug.-Sept.
P. magenteum Z 0 33-47 (June-)July-Sept.
P. sericifolium Z 0 35-60 (July-)Aug.-Sept.
Iridaceae
Babiana curviscapa Z 0 36-48 Aug.-Sept.
B. dregei Z 0 50-65 Aug.-Sept.
B. ecklonii Z 0 40-50 Sept.
B. flabellifolia Z 0 40-65 Aug.-Sept.
B. framesii Z 1 60-70 Aug.-Sept.
B. geniculata Z 0 35-45 Aug.
B. pubescens Z 0 ca. 50 (July-)Aug.
B. sambucina var. longibracteata Z 1 30-50 Aug.-Sept.
B. sambucina var. unguiculata Z 1 38-55 Aug.-Sept.
Geissorhiza kamiesmontana Z 0 18-25 Sept.
Hesperantha latifolia A 0 15-25 Aug.-Sept.
H. oligantha A 0 30-36 Sept.(-Oct.)
H. purpurea A 0 ca. 20 Sept.
Lapeirousia dolomitica subsp. dolomitica Z 1 25-45 (June-)July-Sept.
L. dolomitica subsp. lewisiana Z 0 45-55 July-Aug.
L. jacquinii Z 0 30-40 July-Sept.
L. oreogena A 0 50-60 Aug.(-Sept.)
L. pyramidalis subsp. regalis Z 0 40-50 July-Aug.
L. silenoides Z 0 40-55 July-Sept.
L. violacea Z 0 35-40 Aug.-Sept.
Romulea hantamensis A 0 50-70 Aug.-Sept.
Sparaxis variegata subsp. metelerkampiae Z 0 34-37 Aug.-Sept.
Tritonia marlothii Z 0 25-44 Aug.-Sept.
Xenoscapa uliginosa Z 0 25-30 Sept.(-Oct.)

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