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Published byMagnus Jordan Modified over 6 years ago
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17) Ranunculaceae Caryophyllid Clade 24) Viscaceae Rosid Clade Asterid Clade 18) Papaveraceae Eudicots (Tricolpates)
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19) Caryophyllaceae 20) Chenopodiaceae (incl. In Amaranthaceae) 21) Cactaceae 22) Droseraceae 23) Polygonaceae Caryophyllids
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22) Droseraceae Sundew Family Insectivorous, glandular herbs
Often of acid bogs Leaves usually adaxially circinate (appearing to unwind from a spiral on upper side) Leaves either with sticky glands (the leaf slowly rolls up on an entrapped insect) or sensitive hairs that trigger a snap trap closing on an insect Sepals, petals, and stamens usually 5; carpels 3, fused, basal or parietal placentation; fruit a capsule
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Examples Droseraceae Drosera spp. (sundews)
Dionea muscipula (venus fly trap)
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Dionaea muscipula
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Drosera spp.
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Drosera filiformus – Note the the adaxially circinate leaves
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Drosera rotundifolia
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Dionea muscipula – l.s. note basal placentation
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23) Polygonaceae Knotweed Family
Herbs (or shrub, tree, vine) with swollen nodes Leaves with stipules fused into a tube sheathing the stem (nodal ocrea), or in their absence, flowers in involucrate heads (subtended by bracts) Flowers usually small Tepals 6, petaloid often in two series of 3; or sepals 3 and petals 3; or tepals 5 due to fusion of 2 tepals Fruits and seeds polygonal in shape
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Examples Polygonaceae
Rheum palmatum (rhubarb) Polygonum Polygonella Rumex (dock, buckwheat) Eriognum (wild buckwheat)
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Polygonella articulata
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Polygonella articulata
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Polygonum bistorta
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Polygonum aviculare
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Polygonum cuspidatum
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Polygonum punctatum
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Polygonum spp.
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Rumex patientia
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Homocladium platycladium
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24) Viscaceae Christmas Mistletoe Family
Epiphytic parasite of tree branches; roots modified to form haustoria Leaves usually opposite, leathery, veins parallel Flowers small, perfect or imperfect; perianth of 3 or 4 tepals, inserted on a cup-shaped receptacle; stamens as many as perianth segments Ovary inferior, fruit a viscous berry
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Arceuthobium cyanocarpum – staminate and pistillate plants
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Phoradendron leucarpon
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Phoradendron leucarpon – staminate and pistillate flowers
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