Dorstenia

Linnaeus

Sp. Pl. 1: 121. 175.

,

Gen. Pl. ed. 5, 56. 1754.

Common names: Tusilla
Etymology: for Theodor Dorsten (d. 1539), German herbalist and professor of medicine at Marburg
Treatment appears in FNA Volume 3.
 TaxonIllustrator 
FNA03 P74 Maclura Brosimum Dorstenia pg 394.jpegDorstenia contrajerva
Brosimum alicastrum
Maclura pomifera
John Myers
John Myers
John Myers

Herbs, perennial, rhizomatous; stems short, fleshy, aerial stems not evident; sap milky. Leaves alternate; stipules persistent, free. Leaf-blade ovate to orbiculate, margins entire or pinnately lobed; venation palmate near base of blade, otherwise pinnate. Inflorescences axillary, flowers embedded in long-pedunculate, flat receptacle. Flowers: staminate and pistillate on same plant. Staminate flowers: calyx minute, 2-3-lobed; stamens 1-3, inflexed in bud. Pistillate flowers: calyx tubular, 4-lobed; ovary inferior, embedded in receptacle, 1-locular; style 2-branched. Syncarps disc or cupshaped; drupes embedded in enlarged, fleshy, common receptacle. Seeds explosively expelled.

Discussion

Species ca. 170 (1 in the flora).

Selected References

None.

... more about "Dorstenia"
Richard P. Wunderlin +
Linnaeus +
3 (?) +  and 5 (?) +
4-lobed +, tubular +  and 2-3-lobed +
Tusilla +
Tropical +
for Theodor Dorsten (d. 1539), German herbalist and professor of medicine at Marburg +
pistillate +  and staminate +
with 3-5 basal palmate veins +  and pinnate +
ovate +  and orbiculate +
lobed +  and entire +
1-2-carpellate +
Sp. Pl. +  and Gen. Pl. ed. +
long-pedunculate +
flask--shaped +
connate +  and distinct +
2 +  and 6 +
1 +  and 3 +
not evident +
Dorstenia +
Moraceae +
flattened +