16898321
Descripción
Fichas por Wes Smalley, actualizado hace más de 1 año
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Creado por Wes Smalley
hace casi 6 años
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| Pregunta | Respuesta |
| What's a Forb? | An Herbaceous plant that isn't a grass. (Wildflowers) |
| Apocynaceae (Dogbane family) | Any habit, Milky Sap. Leaves Simple, Entire, Opp/Whorled Fruits follicles, berries, or drupes. Contain alkaloids & cardiac glycocides Milkweed (Asclepias) |
| Asclepias (Milkweeds) | Perennial herb, Milky sap. Simple, opp/whorled, entire. Flowers bisexual w/5 drooping petals, Fruits follicles w/ many tufted seeds. Alkaloids & Cardiac Glycogins |
| Asteraceae (Sunflower and Aster family) | Any habit, annual/biannual/perennial. Fibrous Taproots. Alt or Opp, s/t basal rosette, mostly simple leaves. Composite head inflorescence. Fruits Cypsela (Artemisia, Cirsium, Helianthus) |
| Artemisia (Sagebrush) | Herbs, aromatic when handled. Leaves alt, entire, toothed, or dissected Flower heads small, on branched/unbranched clusters, yellowish. Small, hard, 1 seeded fruit. |
| Cirsium (Thistle) | Herbs w/any growth cycle, s/t w/ narrow spiny wings. Leaves alt or basal w/ spiny tips & lobes. Head w/ Disc Florets only. Fruits w/ persistent plumose pappas |
| Helianthus (Sunflower) | Annual/Perennial herb, erect & branched. Leaves basal/cauline. Opp, alt, or both on same plt. Head w/ both discs, and sterile rays. Pappas falls before fruit is ripe |
| Fabaceae | Any habit, Nitrogen Fixation Alt, usu. Comp (pinnate) Flowers radial/bilateral, 5merous. Legume fruit (Chamaecrista, Desmodium) |
| Chamaecrista (Sensitive pea/bean) | Annual/Perennial w/taproot. Alt, Pinnate, w/nectar glands & stipules. Irregular, 5merous yellow flowers. Flattened, twisty legumes. |
| Desmodium (Tick Trefoil) | Mostly upright perennials. Leaves alt, trifoliate, w/ stipules Flowers pink, bilateral, 5merous. Fruits legumes w/hooked hairs that break apart. (Loments) |
| Polygonaceae (Buckwheat family) | Any habit, prostrate & erect stems. Leaves mostly alt w/ an Ocrea of stipules. Flowers usually bisexual. Fruits w/3 rounded sides. (Polygonum) |
| Polygonum (Smartweed/Knotweed) | Herbs/subshrubs, Annual w/prostrate stems. Leaves alt w/ocrea Flowers small, white-green-pink, bisexual. Small seeds, VERY numerous. |
| Rosaceae (Roses) | Shrbs/trees, few herbs. Alt, Simple/comp, toothed, w/Stipules. Showy bisexual flowers, 5merous, hypanthium. Fruits include hypanthium (hips) (Fragaria) |
| Fragaria (Strawberries) | Low-growing perennial from rhizomes. Erect petioles, 3 coarse-toothed leaflets. Flowers w/5 white petals on domed receptacle, w/20 stamens. Fruits Aggregates w/accessories. |
| Give examples of drupes. | Apples, cherries, plums, dogwood fruit, holly, hackberries, etc. |
| How does a nurse plant compare to a nurse log? | Both provide favorable habitat that facilitates the growth of other species. |
| What nutrients are found in nectar? | Sugar and Amino Acids |
| What's a pappus. | A specialized structure in Asteraceae deriving from a calyx atop an inferior ovary. |
| What's a Stipule? | Paired appendages at the node end of the petiole. |
| What genus has prominent, paired nectar glands on the petioles? | Prunus in Rosaceae |
| What's an aggregate fruit? Give an example. | A fruit developed in a single flower from several fused carpels. For example, raspberries, blackberries, etc. |
| What is an accessory fruit? | A fruit developed from other tissues in addition to the ovary. |
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