Cannabaceae – Indian Hemp Family

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CANNABACEAE – INDIAN HEMP FAMILY Plant: herbs and vines, some aromatic Stem: juices not milky Root: Leaves: simple, alternate or opposite, toothed, palmately veined and usually lobed or divided; stipules present Flowers: imperfect (dioecious); staminate flowers in racemes, panicles or spikes, no petals, 5 sepals (green to white), 5 stamens; pistillate flowers (surrounded by bracts) form a cup with ovary (superior) inside, 1 pistil, 2 styles, 2 carpels, 1 ovule Fruit: achene, often with glands, 1 seed Other: economically important; hemp and of course marijuana; Dicotyledons Group Genera: 2 genera; locally Humulus (hops) and Cannabis (hemp) WARNING – family descriptions are only a layman’s guide and should not be used as definitive CANNABACEAE – INDIAN HEMP FAMILY Marijuana [Indian Hemp]; Cannabis sativa L. (Introduced) Japanese Hops; Humulus japonicus Siebold & Zucc. (Introduced) American Hops; Humulus lupulus L. Marijuana [Indian Hemp] USDA Cannabis sativa L. (Introduced) Cannabaceae (Indian Hemp Family) Oak Openings Metropark, Lucas County, Ohio Notes: dioecious, no petals, 3-5 parted greenish calyx on pistillate flowers, staminate flowers yellowish, flowers subtended with abundant bracts; staminate flowers with 5 sepals, greenish, no petals; leaves palmate, 3-7 coarsely tooted segments on long petiole; fruit an achene; plant tall; summer to early fall (varieties) [V Max Brown, 2008] Japanese Hops USDA Humulus japonicus Siebold & Zucc. (Introduced) Cannabaceae (Indian Hemp Family) Wilson’s Creek National Battlefield, Greene County, Missouri Notes: vine; staminate flowers with 5 sepals, greenish, no petals; 2 pistillate flowers subtended by bracts, thread-like; leaves vary but most including the smaller ones have 5 to 7- (9) lobes, serrate, stiff hairs along veins on the under surface, long petiolate; stem with retorse prickly hairs; disturbed areas; summer to fall [V Max Brown, 2010] American [Common] Hops USDA Humulus lupulus L. Cannabaceae (Indian Hemp Family) Oak Openings Metropark, Lucas County, Ohio Notes: vine; staminate flowers with 5 sepals, greenish, no petals; pistillate flowers subtended by bracts, thread-like; leaves vary from unlobed to 3 lobes (sometimes 5), serrate, petioles usually shorter than leaf; fruit with many overlapping bracts; summer to fall (varieties) [V Max Brown, 2006] Staminate flowers pistillate flowers.

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FLORA from FĂRĂGĂU AREA (MUREŞ COUNTY) AS POTENTIAL SOURCE of MEDICINAL PLANTS Silvia OROIAN1*, Mihaela SĂMĂRGHIŢAN2
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