Helianthemum

However, it is known that there are over ten species of endemic plants represented in this ecoregion, including relict elements of arid and semi-arid groups; for example, four endemic species of Helianthemum and one endemic species of Thamnosma.

Somali montane xeric woodlands 2008

The hammadas habitats also contain endemics, such as Pithuranthos chloranrhus, Helianthemum lippii, Gymnocarpos decander and Helianthemum kahirikum.

North Saharan steppe and woodlands 2008

Gundelia tournefortii, Noaea mucronata, Thymus spp., and Salvia cryptantha – often in oak forest clearings; various graminoid formations; and high mountain steppes of Achillea vermicularis, Ajuga chia, Helianthemum nummularium, Malcolmia africana, and Marrubium parviflorum.

Eastern Anatolian deciduous forests 2008

Other species typical of the "steppe arborée" are Globularia alypum, Salsola vermiculata, Thymus ciliatus, Helianthemum virgatum, Cistus libanotis, Rosmarinus tournefortii and Asparagus stipularis.

Mediterranean dry woodlands and steppe 2008

Some characteristic endemics exclusive to the Park such as Caňadas rockrose Helianthemum juliae, Teide edelweiss Gnaphalium teydeum or the thistle Stemmacantha cynaroides number only 200 specimens; of others, like the endemic Teide burnet Bencomia exstipulata, there are barely 60 specimens - almost 75% of the natural specimens of this species grow on the summits of Tenerife and La Palma.

Teide National Park, Spain 2008

These forests and woodlands alternate with extensive steppe grasslands (Stipa tenacissima, Lygeum spartium) and shrub communities (Artemisia herba-alba, Thymelaea hirsuta, Ononistridentata, Helianthemum squamatum, Thymus mastigophorus) resulting a complex mosaic-like landscape.

Iberian sclerophyllous and semi-deciduous forests 2008

Thus, certain species of _Helianthemum_ are apetalous in Lapland.

Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Maxwell T. Masters

I have seen a similar instance in a less degree in a species of _Helianthemum_.

Vegetable Teratology An Account of the Principal Deviations from the Usual Construction of Plants Maxwell T. Masters

In Helianthemum the capsule has been described as unilocular or trilocular; and in H. mutabile, “Une lame, plus ou moins large, s’etend entre le pericarpe et le placenta.

VII. Miscellaneous Objections to the Theory of Natural Selection 1909

Among the species of France, according to Jordan, _Helianthemum polifolium_, _H. apenninum_, _H. pilosum_ and _H. pulverulentum_ are of this character.

Species and Varieties, Their Origin by Mutation Hugo de Vries 1891