Log of Plants PBIO 109 - 2015 |
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This
list is a record by day |
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Tuesday July 14 |
Centennial Woods |
1. enchanter's nightshade Circaea, Onagraceae opposite, simple leaves with pinnate venation, no stipules glandular hairs, hooked hairs on the fruit |
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2. stinging nettle, Urtica Urticaceae ~opposite leaves with serrate edges ~bast fibers (aka phloem fibers or strong bark) ~venation is palmate (but with a number of secondaries arising from the midvein) |
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3. blackberry, Rubus Rosaceae ~alternate, palmately compound leaves; ~canes last two years, flower the second, ~stipules are precocious We also talked about another member of the Rosaceae, avens (genus is Geum) |
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4. lily of the valley, Convallaria
Liliaceae/Asparagaceae MONOCOT FEATURES ~parallel leaf veins ~sympodial branching (constant surrender of dominance) TOXIN is a cardiac glycoside (smooth muscle stimulator, impact is on heart function) |
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5. celandine, Chelidonium Papaveraceae ~colored latex (only Papaveraceae have colored latex in Vermont) ~alternate, pinnately compound leaves |
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Wednesday June 15 |
Oakledge Park |
6. buttercup, Ranunculus
Ranunculaceae our most primitive eudicot: ~no fusion ~many stamens ~compound, palmate-design leaves |
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7. woundwort, Stachys Lamiaceae (Labiatae) key characters for the family: ~square stems ~opposite leaves ~4 nutlets ~connate corolla ~bilateral symmetry genus: ~sepals radial, five |
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8. self-heal, Prunella —Lamiaceae (Labiatae) key characters for the family: ~square stems ~opposite leaves ~4 nutlets ~connate corolla ~bilateral symmetry genus: ~sepals bilateral, five |
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9.Queen Anne's lace, Daucus, Umbelliferae
(Apiaceae) ~separate, deeply lobed petals ~minute sepals |
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Thursday June 16 |
Rock Point |
10. Campanula, bellflower —
Campanulaceae ~latex ~alternate simple, serrate leaves without stipules ~connate corolla ~radial symmetry ~five free stamens |
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11. day lily, Hemerocallis —
Hemarrhoeaceae ~two whorls of three tepals ~six stamens (these bilaterally symmetrical) ~secondaries parallel the midvein |
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12. dame's rocket, Hesperis --
Brassicaceae ~four separate sepals and petals ~six stamens, two short and four long ~disk of separate glands |
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13. chicory, Chicorium — Asteraceae
(Compositae) ~blossom is actually a large group of small flowers ~connate corolla ~bilateral symmetry ~connate anthers |
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14. Indian hemp, Apocynum — Apocynaceae ~milky latex ~contorted estivation of petals ~connate corolla ~stamens adnate to the corolla |
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Monday July 20 |
Ethan Allen Homestead |
15. Lysimachia loosestrife PRIMULACEAE ~stamens equal and opposite the petals |
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16. Lythrum swamp loosestrife ~perianth of six parts ~stamens twice the petals, in two whorls ~hypanthium present, includes only sepals and petals ~heterostyly: three forms differing in lengths of stamens and styles |
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17 to 22. Marsh monocots. |
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Tuesday July 21 |
Airport Park I |
23. Spergularia, sandspurrey Caryophyllaceae ~opposite, simple leaves ~5 separate petals |
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24. Silene white campion Caryophyllaceae ~opposite, simple leaves ~swollen nodes ~fused calyx ~separate petals ~stamens twice the petals ~imperfect flowers, dioecious plants We did not see the pistillate flower pictured here. |
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25. Lotus, Fabaceae bird's foot
trefoil (Leguminosae) ~alternate compound leaves with stipules ~calyx of 5 fused sepals ~corolla bilateral, of five petals (banner wings and keels)-keels fused above the base ~10 stamens (2x petals); nine fused together ~one simple pistil |
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26. Trifolium, Fabaceae (Leguminosae) clovers ~alternate compound leaves with stipules ~calyx of 5 fused sepals ~corolla bilateral, of five petals (banner wings and keels)-keels fused above the base ~10 stamens (2x petals); nine fused together ~one simple pistil |
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Wednesday July 22 |
Airport Park II |
Fruits |
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Thursday July 23 |
Airport Park III |
27. Hudsonia, golden heather Cistaceae |
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28–40, Bog plants |
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41. Cephalanthus, Rubiaceae buttonbush ~opposite or whorled simple leaves ~radial symmetry ~stipules present, fused ~ 4-5 fused petals, 4-5 sepals ~stamens = petals. ~adnate to petals ~ovary compound, inferior ~inflorescence a head |