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Prunus spinosa (blackthorn plum)
...x 2–4 cm, drupes mostly 15–25 mm in diameter, and endocarp nearly smooth (vs. P. spinosa, with leaf blades 2–4 x 0.8–1.8 cm, drupes 10–15 mm in diameter, and endocarp rugose).: Prunus insi...
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Lycium chinense (Chinese matrimony-vine)
...usually 2-lobed with each lobe 2- or 3-toothed near the apex, corolla lobes subglabrous, and leaf blades 3-6 mm wide (vs. L. chinense, with the calyx 3- to 5-parted to near half way to base, corolla l...
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Question: Hi, I have noticed that the dogwood genus has changed, from Cornus …
...(2) Benthamidia (big-bracted dogwoods), woody with large petaloid bracts, (3) Swida, (blue- and white-fruited dogwoods), woody and without petaloid bracts, and (4) Chamaepericlymenum (dwarf dogwoods),...
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Question: Hello ive found this plant and TONS of it. Ive been told …
...don't know where these images were taken, I can't offer too much help. Location is vitally important so that we can sort through the nearly 1/2 million species of plants found on this globe...
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Question: Hi my name is Jeremiah Welch, i am 13 years old. What …
...taking 20 years it would only take 2-6 years because it would have the regenerative cells in it. Answer: Dear miahpow, creative thinking for sure. But I think you are confusing the ability to regene...
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Question: Found in tolerant hardwoods along X country ski trail, 25 km west …
...of 2-3. Is this just a fine J. tenuis? Thank you. Answer: Dear Apohaqui2810, I would not be able to distinguish Juncus tenuis (which this looks very much like) from J. dichotomous from the images pr...
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Question: Does Betula lenta always have a wintergreen smell? We were identifying woody …
...1-2 cm DBH each) that have characters spot on for B. lenta, but without the smell. Could they be B. alleghaniensis? (Didn't see any large B. alleghaniensis.) The bark is too young to use that for...
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Question: Hello, Arthur. Can you explain why Japanese Knotweed is known by so …
Question: Hello, Arthur. Can you explain why Japanese Knotweed is known by so many scientific names, and why botanists can't seem to come to agreement over naming such a well-known plant? Also, ...
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Question: Primula Mistassinica? Or Laurentiana? Lower Waterford, VT near Connecticut River
...I'm sorry, I simply can't tell you because the primary differences between these two species are the size of various organs. Here is the key from Flora Novae Angliae that will allow you to ...
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Question: Hi - With the extreme drought conditions and only a bit of …
...I'm wondering: 1) Is the tree in the attached pic dead? 2) Is fall planting of 4-5 foot tall arborvitae a bad idea this year, and do you think it'd be better to wait for the spring? 3) ...