Dietes Iridioides

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Dietes iridioides Dietes iridioides Botanical Dietes iridioides Name: Common Paroo Lily, African Iris, Cape Iris, Fortnight Lily, Names: Morea Iris, Native: No Foliage Type: Evergreen Plant Type: Grasses, Strappy & Tufting, Hedging / Screening Plant Habit: Clumping, Tufting Description: An evergreen clump forming rhizomatous perennial with upright, dark green strappy leaves growing fan-like rosettes. Very similar to Dietes grandiflora,but with smaller flowers. White, yellow and purple iris-like flowers appear Spring and throughout Summer on tall stems. Mass plant for a showy display, use dotted throughout borders or as a low, informal hedge. Mature Height: 60cm-1m Position: Full Sun, Semi Shade Mature Width: 60cm-1m Soil Type: Loam, Sandy, Well Drained Family Name: Iridaceae Landscape Use(s): Borders / Shrubbery, Coastal Garden, Groundcover, Hedging / Screening, Low Water Garden, Mass Planting, Park And Gardens, Playgrounds, Origin: Africa Rockery, Roundabouts / Splitters, Tropical Garden, Verge, Container / Pot, Under Trees Characteristics: Foliage Colours: Green Pest & Diseases: Flower Colours: White Generally trouble free Flower Fragrant: No Flowering Season: Spring, Summer Cultural Notes: Fruit: No Prefers full sun to part shade in well drained soil. Water well in dry spells. Can be cut back hard late in winter if plant is looking tired to refresh. Water well in really dry Requirements: weather. Easy to propagate - lift and divide plant. Fertilize after trimming and water Growth Rate: Fast well to encourage fresh re-growth. Maintenance Level: Low Water Usage: Low Plant Care: Annual slow release fertiliser, Keep moist during dry periods, Mulch well Tolerances: Drought: High Frost: High Wind: High Disclaimer: Information and images provided is to be used as a guide only. While every reasonable effort is made to ensure accuracy and relevancy of all information, any decisions based on this information are the sole responsibility of the viewer. Call 1300 787 401 plantmark.com.au.

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Insights from Microsporogenesis in Asparagales
EVOLUTION & DEVELOPMENT 9:5, 460–471 (2007) Constraints and selection: insights from microsporogenesis in Asparagales Laurent Penet,a,1,Ã Michel Laurin,b Pierre-Henri Gouyon,a,c and Sophie Nadota aLaboratoire Ecologie, Syste´matique et Evolution, Batiment 360, Universite´ Paris-Sud, 91405 Orsay Ce´dex, France bUMR CNRS 7179, Universite´ Paris 6FPierre & Marie Curie, 2 place Jussieu, Case 7077, 75005 Paris, France cMuse´um National d’Histoire Naturelle, De´partement de Syste´matique et Evolution Botanique, 12 rue Buffon, 75005 Paris CP 39, France ÃAuthor for correspondence (email: [email protected]) 1Current address: Department of Biological Sciences, University of Pittsburgh, 4249 Fifth & Ruskin, Pittsburgh, PA 15260, USA. SUMMARY Developmental constraints have been proposed different characteristics of microsporogenesis, only cell to interfere with natural selection in limiting the available wall formation appeared as constrained. We show that set of potential adaptations. Whereas this concept has constraints may also result from biases in the correlated long been debated on theoretical grounds, it has been occurrence of developmental steps (e.g., lack of successive investigated empirically only in a few studies. In this article, cytokinesis when wall formation is centripetal). We document we evaluate the importance of developmental constraints such biases and their potential outcomes, notably the during microsporogenesis (male meiosis in plants), with an establishment of intermediate stages, which allow emphasis on phylogenetic patterns in Asparagales. Different development to bypass such constraints. These insights are developmental constraints were tested by character discussed with regard to potential selection on pollen reshuffling or by simulated distributions. Among the morphology. INTRODUCTION 1991) also hindered tests using the concept (Pigliucci and Kaplan 2000).
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SB18028 AC.Pdf
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