Page 8: 350 results for involucre
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Question: Hi: Any thoughts on a species ID for this aster...growing in a …
Question: Hi: Any thoughts on a species ID for this aster...growing in a field, up to 4 ft. high. Thanks Answer: Dear JMP, it is hard for me to be confident without a close-up image of the involucr...
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Question: Could you please identify this aster. Its common on a site in …
Question: Could you please identify this aster. Its common on a site in Northbridge, MA. Height ranges to about 4 ft. Thank you. Answer: Dear JMP, you look to have photographed Symphyotrichum pi...
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Question: Hello, I am trying to determine the identity of this beggar's ticks. …
Question: Hello, I am trying to determine the identity of this beggar's ticks. I can't decide beween B. frondosa and B vulgata, but am leaning toward the Devil's beggar's ticks be...
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Question: Hello, another aster (re: help with aster IDs from Providence County, RI) …
Question: Hello, another aster (re: help with aster IDs from Providence County, RI) Thanks! Answer: Dear sldz22, based on the rays and leaf blades (note the clasping bases) you appear to have another...
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Question: Nabalus serpentarius? Crane Wildlife Management area, Falmouth, MA
Question: Nabalus serpentarius? Crane Wildlife Management area, Falmouth, MA Answer: Dear jbacobra, good day. Your plant could be Nabalus serpentarius, but I can't see the details I need to for...
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Genus: Xanthium (cocklebur)
...on involucres of fruiting specimens; flowering plants or ones with immature fruits will give poor results. Reference: Fernald (1946). Family: Asteraceae. This Genus's Species: Xanthium spinosum...
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Helianthus: Dichotomous Key
Helianthus: Dichotomous Key. You are here: Dichotomous Key > Asteraceae > Asteraceae Gro...
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Erigeron: Dichotomous Key
...the involucre 2a. Rays 0.5–1 (–2) mm long [Fig. 400]; involucre 2–5 mm wide (sometimes wider in pressed specimens); disk 1–3 (–4) mm wide in life 2b. Rays 4–10 mm long (very ...
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Hieracium: Dichotomous Key
...8a. Involucres 6–7 mm tall; pappus bristles 4–5 mm long; ray corollas 5–8 mm long; capitula with 8–20 (–30) flowers; peduncles very slender, 0.2–0.3 mm thick 8b. Involucres 7–10 (–11) mm ...
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Bidens: Dichotomous Key
Bidens: Dichotomous Key. You are here: Dichotomous Key > Asteraceae > Asteraceae Group 3...