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Questions related from Jacek Drobnik
I am looking for an expert on the flora of central and southern Italy and Sicily. I am offering co-authorship of a monograph on a historic herbarium kept in Poland. We have 300 high resolution...
02 August 2024 6,821 2 View
I have found an old pharmaceutical research from 1833 in which emetic power of Cucumis melo roots was confirmed. I cannot find data about chemical constituents of the Cucumis melo roots. Their...
31 October 2020 3,983 3 View
It has widely open flowers, lanceolate leaves arranged oppositely, calyces are very narrow and long, tubular, clustered together at the top of the stem. It is an ornamental found in Poland. Thanks...
26 January 2020 8,140 9 View
I am going to have printed a scientific book with illustrations. They are small screenshots grabbed from historical books (e.g. 18th-century). The books are available freely online in digital...
18 November 2019 2,989 2 View
It is some 25 cm tall, gray-green, somehow rough. The diameter of the fruiting pappus is 10 mm. It comes from the island Symi (SE Aegean Sea).
05 September 2017 4,996 3 View
The plant is 20 cm tall. The flowers are some 12 cm long and the collective fruit (the circle of achenes) is 10 mm in diameter. Fruits are covered with soft hairs, the plant has some not dense...
05 September 2017 7,397 8 View
This part is some 20 cm long. Flower heads are 20 mm in diameter, flowers were relatively big, some 5-6 mm long, with visible hairy tube, longer than the calyx. Leaves are 3-4 cm long. It was...
05 September 2017 7,153 8 View
This plant is 15 cm tall. Soft and dense hairs, flowers could be yellow. It was collected near Split.
05 September 2017 9,668 3 View
This plant is approx. 50 cm tall. Flowers are milky-white, petals some 5 cm long, fruits 5-6 mm long with hooks. The umbel is some 2,5-3,0 cm in diameter. It was collected near Split in S Croatia.
05 September 2017 8,699 2 View
This plant grew in wild. It is some 40 cm tall. Flowers minute, could be pink. Leaf blades 20-25 cm long. It was collected in S Croatia (Split)
05 September 2017 2,414 8 View
The plant is 25 cm tall, flowers bright blue. It was collected near Split.
05 September 2017 6,511 6 View
This plant is some 30 cm tall, flowers yellow. Sepals are 7 mm long. The flower corolla (measured from the base of the flower) is 15 mm long. The visible part of the style is some 6-8 mm long. The...
05 September 2017 1,338 3 View
It is a runner. Flower heads seem globular rather than cylindrical, 5 mm across, flower colour could be orange or reddish but I do not remember. The leaves are less than 15 mm long. It was...
05 September 2017 5,150 6 View
It was a common plant od arid places. It is some 30 cm in diameter and some 10 cm tall. It was collected in Larnaca.
05 September 2017 3,441 5 View
This is a plant from Kruger National Park, RSA. I do not know the flower colour. Any suggestion would be valuable. Thanks in advance.
22 August 2016 9,080 9 View
I do not mean ethnopharmacological usage. I look for data about herbs of confirmed activity against lues venerea. If there exist any.
10 July 2015 1,429 9 View
Flowers, receptacle and involucre looks like Crepis / Sonchus, The leaves are somewhat stiff, have margins with spikes like in Cirsium. Pappus snow white, entire (not pennate). 150-170 cm...
08 July 2015 8,574 7 View
Can anyone share a link to a publication in which this is announced as a novelty? I am curious who first invented this kind of protection against infectious transmissions from patients to...
01 January 1970 4,413 1 View
