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Stellaria: Dichotomous Key
...(2005c). 1a. At least the lower leaves with evident petioles; stems pubescent in 1 or 2 lines [Fig. 578] 2a. Sepals (3.5–) 4.5–5 (–6) mm long; leaf blades 3–25 mm long; ca...
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Carya: Dichotomous Key
...(1.8–) 2–4.1 (–4.4) mm thick, glabrous or nearly so; exocarp 2–5 mm thick 3b. Leaflets abaxially pubescent with simple hairs and abundant compound hairs with 2–8 (–17) rays; terminal bud ...
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Polygala: Dichotomous Key
...ca. 2 times as long as the corolla; racemes 6–10 (–14) mm thick 6b. Wing sepals 2–2.5 mm long, ± as long as the corolla; racemes 4–6 mm thick 5b. Leaves 2–5 at each of the lo...
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Lemna minuta (least duckweed)
...than 2/3 of distance from root node to tip of thallus, thalli mostly 1–2.5 mm long, 1–2 times as long as broad, broad-elliptic to broad-oblong or obovate (vs. L. valdiviana, with the ).: L...
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Question: Hi I wouldl like to identify these plants that i photographed in …
...pictures 2 and 3 are young plants of Quercus rubra (northern red oak). The 3rd plant is simply displaying more red pigment in the leaves than the 2nd plant. Best wishes.
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Question: Can you please explain what is the dotted-line after the second symbol …
Question: Can you please explain what is the dotted-line after the second symbol mean, and what is the dashes before and after 2 mean? Thank you! Answer: Dear Jimmy, happy to help with floral formul...
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Question: I am planting a pollinator friendly flowerbed with a RFP and have …
...buy 2-shrubs for the space. I want: Salix occidentalis or dwarf upland willow. I think it is the right size and the right plant for the space, however, I cannot find 2- or 1 to purchase. Can you s...
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Family: Linderniaceae (false pimpernel family)
...only 2 are fertile, the other two are sterile and with strongly bent filaments. There is a single, long style with 2 stigmas. The fruit is an asymmetrical capsule that splits to release its seeds. Spe...
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Family: Betulaceae (birch family)
...have 2-10 stamens with short filaments. The ovule-bearing flowers have 2 styles. The fruit is a nut or a small samara (i.e., a winged achene). This Family's Genera: Alnus Betula Carpin...
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Question: Hello, I have often used the key and been confused by some …
...than 2/3 canopy closure. This contrasts with a woodland, which has trees more spaced out and usually with less than 2/3 canopy closure. If these explanations don't assist, let me know (please)....