Species name:
Salvia verbenaca L.
Author(s):
Carl von Linné
Sweden, 1707-1778
General names:
Wild Clary
Wild sage
Vervain salvia
Maltese name:
Salvja salvagga
Plant Family:
Lamiaceae / Labiatae (Mint Family)
Name Derivation:
Salvia = Referring to helping, saving or healing, due to the possible
medicinal properties of these group of plants. (Latin);
verbenaca = Resembling vervain (=Verbena), a group of herbs known for
their medicinal properties especially in restoring defective vision. (Latin).
Synonyms:
Gallitrichum arvale, Horminum verbenaceum, Salvia betonicifolia, S. clandestina,
S. controversa, S. horminoides, S.laciniata, S. linnaei, S. rhodantha,
S. verbenacea
A herbaceous, erect, perennial plant which forms few opposite branches
(or none at all), a low leaf stock, and fairly tall flowering stems which
looks like spikes. The upper part of the stems are covered by glandular
hairs (=have a gland at the base), while the lower part is simply pubescent,
that is very short hair without glands.
The plant forms a basal rosette of leaves which may be found only few
cm up the stems in adult plants. Leaves are oval in shape with a dull
green colour. Leaf blades are conspicuously wrinkled due to the deep sunken
reticulate venation. Younger leaves have a lobed margin and short petioles
while adult leaves have much longer petioles and are deeply lobed, sometimes
pinnatifid with oblong lobes. All leaves have a serrated margin. They
measure betwen 5-10cm long and 2-5 cm wide.
Inflorescence are rows of 6(-10) flowered verticillasters, stacked and
well-spaced one over each other along the tall flowering stems. The bracts
are very small, less then half the length of the calyx and have the same
wrinkled and lobed appearance as the leaves. The calyx is a 2-lipped structure,
6-8mm long, with the upper lip possessing 3 broad, rounded teeth, and
lower lip having 2 acute teeth often ending with a bristle-like tip. Calyx
is longitudinally veined and is green with upper part sometimes turning
reddish-brown.
The corolla is a 2-lipped structure with a blue, mauve or violet-blue
colour, around 8-10mm long. The upper lip has an elongated oval shape
with its sides curved inwards to form a hood-like structure. Sometimes
the sides are so much curved in, that they come in touch with each other
forming a tube-like structure. The lower lip is paler in colour and divided
into 3 lobes. The lateral lobes are much shorter from the central one
and are more or less flat and triangular in shape. The central and larger
lobe is oval and curved in to form a slightly concave structure. It has
darker bluish markings at its central part. The lateral lobes sometimes
overlap with the upper lip.
The male reproducive organs consists of 2 stamens connected to each other
of which one is sterile and the other is fertile. The latter has a large
anther that produces yellow-amber pollen that contrasts well against the
bluish hue of the upper lip. The anthers are found more or less half way
and close to the upper lip. The pistil (= female part) consists of an
ovary hidden inside the calyx with a pale style much longer from the stamen,
which in fact, it is found protruding by 2-3mm beyond the tip of the upper
lip of the corolla. The stigma is deeply split into 2 curved parts and
it is deep purple in colour (compared to the paler style).
The fruit consists of a maximum of 4 nutlets held within the base of
the calyx. The nutlets are black, ovate, smooth and about 2mm long. They
simply fall out from the calyx with swaying of the stems.
This particular Home Site mentions 10 (ten) synonyms (without autors),
but doesn't come near the real fifty or more!
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